Luxury, Science & Sisterhood: Inside SISTERLY with Co-Founder Jennifer O’Connell

25 Nov 2025 · 48 min · 18 chapters

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In short

Sisterly’s “The Elevator” supplement for women, built to solve the “graveyard of supplements” problem (jars/capsules forgotten, too many pills, inconsistent routines). The episode covers the founders’ law-to-wellness journey, why they chose a powder sachet, and how they designed a female-specific, clinically backed formula with high, disclosed doses and clean ingredients. It also discusses pricing strategy, retail/DTC traction, and community-led growth via events and athlete endorsements.

Guest

Jennifer O’Connell, co-founder of Sisterly. Background: Irish barrister (civil law) in Dublin for 22 years; previously attorney in New York; met co-founders through LA/marketing and nutrition interests during COVID.

Key claims

One-size-fits-all supplements are wrong for women’s hormonal stages; capsules limit dosing (8+ pills issue), so they used powder; they avoid sucralose and “patented blends” by listing doses; expert panel consensus (four experts) supports efficacy; packaging is countertop-friendly to improve consistency.

Notable examples

The Elevator has 23 essential nutrients (energy, immunity, hormonal balance, beauty, sleep), including vitamin D/C, magnesium, zinc, biotin, and CoQ10 (e.g., 150mg). Retail mentions: Harrods, Whole Foods, Boots? (Harrods/John Bell & Croydon stated). Organic advocates: Sonia O’Sullivan, Liz Earle, Victoria Smurfit (Rivals), plus community events like Sisterly summits and sea swims at the 40 Foot.

Written by AI. May contain mistakes. Listen to the episode to check what was said.

Chapters

Tap a time to open that second in VO

Jennifer's Journey to Sisterly

0:45 to 3:30

Jennifer discusses her transition from law to launching Sisterly with friends.

“And they have a product called The Elevator, which is incredibly fabulous.”

Identifying the Problem in Supplements

3:30 to 6:00

Discussing the issues with current supplements for women and their needs.

“And I was like, come on Aoife, what kind of vitamin D should I be taking?”

The Development of The Elevator

6:00 to 8:40

Explanation of the unique formulation and benefits of their supplement product.

“All these supplements are designed for an 18-year-old boy and a 48-year-old woman.”

Understanding Nutrient Quality

8:40 to 12:20

The importance of high-quality ingredients and dosages in supplements.

“And then if anybody wants to layer on other things, off you go.”

Brand Proposition and Experience

13:50 to 14:01

Discussion about the packaging and experience of using Sisterly's product.

“Talk to me a little bit about the delivery in terms of packaging and format.”

The Ritual of Supplementation

14:01 to 14:39

Explore the personal experiences and rituals surrounding the use of supplements.

“And this morning I actually put it in a Lemsip Holden Flu sachet and yours and the orange juice and some hot water.”

Identifying Supplement Pain Points

14:40 to 17:46

Discuss the common challenges consumers face with supplement usage and storage.

“So that's exactly what the purpose behind it was.”

Creating a Unique Product

17:47 to 21:58

Learn about the development process of the Sisterly supplement and the challenges faced.

“But what we do have is real consumer experience of what it's like to take a supplement and what stops us from taking a supplement every day.”

Expert Endorsements and Market Reception

21:59 to 23:06

Understand the importance of expert endorsements in establishing product credibility.

“You know, they just kind of arrive in and we're just like, this is unbelievable, you know.”

Sales Channels and Community Building

23:07 to 24:26

Discover the sales strategies and community engagement efforts of Sisterly.

“That's the only thing that's going to create longevity for us.”
Show all 18 chapters

Influencer Relationships and Organic Growth

24:27 to 27:52

Explore how organic relationships with influencers can drive brand success.

“actually athletes who all love Sisterly.”

Influential Figures in Wellness

28:00 to 29:53

Learn about key figures like Liz Earle and their impact on brand growth.

“And they want to share with their friends and the people who follow them something that's really good.”

Growth Metrics and Pricing Strategy

29:53 to 32:26

Discover insights into subscriber growth and pricing strategies for supplements.

“asking you this and like all the best lawyers, you keep avoiding it.”

Formulation and Quality Assurance

32:26 to 36:35

Explore the meticulous process of product formulation and ensuring quality.

“And I mean, your cup of coffee is about four pounds.”

Legal Background and Operational Insights

36:35 to 41:02

Understand how legal expertise aids in navigating operational challenges.

“Daniel Jones, Adrian Byrne, a nutritional therapist and sports nutritionist, Susie Perry, a food scientist.”

Community Engagement and Brand Activations

41:02 to 42:05

Learn about innovative community events that enhance brand visibility.

“It's a struggle I think I don't know that it is sustainable on the level that we're doing it at the moment Like we've been sprinting for two years, doing everything.”

Building Community Through Events

42:05 to 46:04

Learn how Sisterly organizes events to foster community and support among women.

“And everybody who comes away from those events is like going, that was brilliant.”

The Importance of Understanding Women

46:04 to 46:31

Discover the unique perspective on creating products specifically for women.

“because a Sunday is a really good day for moms and busy women.”
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Transcript

Automatic transcript. May contain errors.

0:00Isn't it crazy? All these supplements are designed for an 18-year-old boy and a 48-year-old woman. You know, this one-size-fits-all supplement that sits on the shelf that's meant to do everything for everybody. We were like, that can't be right.

0:16If you are like me, you have got a graveyard of supplements in a cupboard or underneath the sink in a box like me, collecting dust. And when you put those, when you remember to put those supplements out on the table and have them with your breakfast in the morning, you're swallowing so many pills, right, of different sizes and different stickinesses. It's gross. Well, my guest today is actually a friend of mine from university, Jennifer O 'Connell. And with her two other female founder friends, they have launched an incredibly successful new supplement company called Sisterly. And they have a product called The Elevator, which is incredibly fabulous.

0:55Uh, it's available in Harrods and the Times, the Sunday Times magazines talking about it. And they've got people like Liz Earl and Sonia Sullivan all over it. Um, it's got 23 essential nutrients for energy, immunity, hormonal balance, beauty, and sleep. And it replaces that disgusting graveyard of supplements that you have in your house. It also looks like a beauty box and it, you feel so good having it. So today, Jennifer comes on the show to tell us how she left being a fantastic barrister with a New York career and got together with two of her best friends to become a female founder of this incredibly successful new business and why it solves a pain point that no other supplement is solving out there right now.

1:41Jennifer O 'Connell from Sisterly, how are you doing? I'm great, Fiona. How are you? I'm really well. I cannot believe we have not seen each other since fourth year, our last year in university in Dublin. And then another Jen, friend of mine, said to me recently, you have got to catch up with this brand in Ireland called Sisterly that is doing amazing things for women's health. And she said, actually, one of the founders was in Trinity about your age. And I was like, oh my God, I know her. I love when things come together like that. I know. Everyone always says, oh, you Irish, you all know each other.

2:16It's kind of true. We do kind of all know each other. Well, you're certainly going to be, it's going to be one degree of separation. You can definitely get chatting to anybody and they'll have babysat for your cousin or something like that. I know, isn't it funny? So what happened after we left Trinity? What did you end up doing? And then how did you end up setting up this incredible scaling startup in female supplement? So I was doing, as you remember, I was doing law in Trinity and then went on and did the King's Inns and then headed to New York. And I worked as an attorney over in New York for a couple of years where I met one of my co-founders, Louisa Reardon.

2:47and she was in Colombia doing marketing. And then we were just having a ball during the Sex and the City years in New York. I mean, it was just so fun. And then I left New York, came back to Dublin to work as a barrister. And there I worked for 22 years. Oh, my God. At the Four Courts in Dublin. What kind of law were you? So all civil, civil law. It's funny now that I have pivoted the amount of people who are talking to me and saying, You know, especially at that kind of 40 to 45 age, kind of like this is the time if I'm going to jump now is the time.

3:29Welcome to Brand Growth Heroes, the leading podcast for the founders of Challenger grocery brands. I'm your host, Fiona Fitz. My 25 years at global giants such as Nestle and Challenger brands such as Goo Chocolate Puds, Chobani and Strong Roots, as well as coached to over 400 scaling brands, means I have the experience to ask the questions that truly matter and get you the insight that will inspire you to think differently and drive serious growth for your brand.

4:00so I got to the level of senior counsel and which would be the equivalent of a KC in the UK and then when talking to my older sister I was she was saying look will you please talk to this other friend Aoife Matthews because she's constantly going on about this as well and she was an investment banker so Aoife and I got talking and we were kind of saying okay what problem would we solve for ourselves and we're both really into sport and health and nutrition and Aoife had just done a nutrition qualification and we were discussing supplements and it was during COVID and they were like supplements are very complicated.

4:33And I was like, come on Aoife, what kind of vitamin D should I be taking? And what's the dose and what's the correct form and what do you need to pair it with? And, you know, perimenopause was lurking around the corner. And I said to her, look, you know, what do, where do we, like, how do we solve this? I said, we should talk to this friend of mine in LA. She'd be amazing because LA is the forefront of wellness. And I said, it's this girl called Louisa Wearden, who I knew from my time living in New York. And Eva was like, I used to live with her in London. No, no. Oh, that's just typical Irish women coming up with what we do here.

5:08Oh, we'll find people that we've all known or lived with or hung out with for long periods of time. So the three of us got together in that way. It was really organic and very natural. And there's a lovely trust space between us because there's years of friendship and we then decided we were going to tackle supplementation and solve all the problems in that routine for ourselves so I think we all struggled with remembering to take our supplements we all struggled with taking you know six to eight pills a day you know if you wanted to get all your essential nutrients yeah I hate that I hate that no Louise and I in particular just cannot stand pills.

5:48So that didn't seem like a good idea. And we were just trying to say, can you focus on the female body specifically and design something better that actually works for us? We were kind of thinking like, isn't it crazy? All these supplements are designed for an 18-year-old boy and a 48-year-old woman. This one size fits all supplement that sits on the shelf that's meant to do everything for everybody. We were like, that can't be right because we've come through so many different stages in our, you know, physical development, hormonal cycle, you know, between fertility issues and, you know, and on it goes, you know.

6:27And perimenopause. Perimenopause starting, menopause starting, all these kind of things. We were like, it would be brilliant to be more female specific in an approach. Can I just ask a question on that? When you were thinking about that, though, were you looking at, say, VitaBiotics woman range and thinking, OK, well, they already do that. it wasn't the fact that they only did pills yeah so we were kind of saying to ourselves what we wanted was the best quality ingredients so we knew that there's a big difference between synthetic and natural nutrients and we didn't want so synthetic nutrients and are not as well recognized by the body when you ingest them and the body can reject them and they're just not as bioavailable as the term it's absorbable whereas natural nutrients are really easy for the body to absorb.

7:11So we knew that we wanted the best form of every nutrient. We knew that we wanted a dose that was a standalone dose of each of the nutrients that we wanted to include. So if you're, let's say, putting something in a capsule or a pill, there's only so much room. So if you're trying to do a multi-nutrient capsule or pill, you're really limited. Yeah, well, you're either looking at maybe two, four pills and they're really kind of, you know, there's only a small amount of space. But if you were to replicate what we've done, you'd be talking about eight pills. And taking eight pills a day is just not a great idea.

7:44But also you're going to compromise on the dose if you don't go into a powder. A powder is all the room you want. So by changing the frame, by changing the format, you were able to, without just blindly doing, well, we need to do a pill because that's what everyone does. You were able to actually change how you solve the problem. The delivery method. I mean, just to kind of explain what what the you know, this product that we've made. So it's this powder sachet supplement. So it's a little sachet you stick in your handbag. It's got 23 essential nutrients, your vitamin D, your vitamin C, magnesium, zinc.

8:22And they're all in there, the things that you need every single day. So we decided we wanted the non-negotiable essentials. so they were the things that you know there was just going to be no confusion over um adaptogens or chinese herbs or anything like that these are the things that every gp would recognize that this has been clinical trials to show efficacy if you take them every day so there's everything you'd on in on the label you'd recognize and that that was quite a discipline not to get pulled into areas where we knew there was kind of consumer interest let's say and n80 plus or other things And we were like, no, this is going to be the foundation of good nutrition, things that are missing from your diet.

9:02And then if anybody wants to layer on other things, off you go. But you have layered on specific things for women of our age, such as biotin. What else for our skin and our hair and our wellness? Biotin is your B vitamins. So these these nutrients are insane. When I call them the essentials and the fundamentals, that's not to say that they what they do is extraordinary. So biotin is in there and that's amazing for your hair, skin and nails. coenzyme Q10 is in there and coenzyme Q10 is in every cell in your body and CoQ10 turns your food into energy. So the best thing about like in terms of the reviews we receive is your energy is just fired up from taking this and that's because we surveyed all these hundreds of women and said what do you want most from your supplement and they were like want more energy.

9:49So what makes that difference from say a Sonatogen fizzy tablet or one of those things that you'd putting some water in the morning for some energy? A dose. So the dose that's in here is really potent and high. So you will actually feel a difference. So let's say there's 150 mg of coenzyme Q10. Coenzyme Q10 is a really expensive nutrient. You don't see that in anything like, I don't want to call out any particular brands. No, but that is really unusual. And it's because it's, we were kind of, we knew it was going to push us into another price point if we were going to include that nutrient in there.

10:23But we really were like, if women are going to take this and they're going to invest in it, they need to feel different. They need to feel a tangible difference from taking this supplement. And that's why we put in a really optimum dose. So if you bought coenzyme Q10 in Whole Foods, for example, we picked up a jar of coenzyme Q10 in a lower dose to this, so 120 MGs, and that was£49 per 30 capsules. So it's a really, you know, if you're putting that into your supplement, you're really thinking about it. And it's funny, like there are certain supplements that list coenzyme Q10 in a patented blend where they won't tell you the dose.

10:59If you have 150 MGs of coenzyme Q10 in your supplement, you are going to be shouting about it loud and proud. And the problem with a patented blend, which certain brands have, is that they don't tell you how much they put in. They just put the name and they claim privacy over the dose. But we're so proud of the doses that we made a very strategic decision that we were going to list all the doses on our box. We're not like, because I want to know what I'm putting in my body. Every consumer should be told how much of a dose they are receiving of nutrients that they're putting in your body. Patented blends are actually not the right way to go at all.

11:37And there's a lot of pushback from consumers about them because yes, they protect the company, but they're not good for the consumer. The consumer deserves to know. I'm thrilled to introduce Brand Growth Hero's newest partner, Jolson. Jolson is a leading B Corp certified commercial law firm that specializes in guiding the founders of scaling CPG brands. With long-term relationships with clients like Little Moons, Trip, Eat Natural, Bear, Graze and Pulsin, Jolson is also famous for advising the innocent founders in their landmark sale to Coca-Cola. And believe it or not, they still work with the Innocent founders at Jamjar Investments today.

12:17I'm especially impressed by how Jolson sets founders up for long-term success and by their commitment to championing female founders. Recently, I asked one of Jolson's managing partners, Paul Chappie, a tough but crucial question. Should co-founders discuss, right from the start, what happens if one of them wants to leave the business?

12:37Jennifer O’Connell:Absolutely. I mean, with any joint venture, that's what a sort of co-founder relationship is. You've got to be very clear from the outset as to what each party is bringing to that business. Look at the skill sets. Look at the time commitment. I often see founders coming where, you know, one founder might have a full-time job. They're still getting the same amount of equity. and you can see immediately that there's an imbalance in that relationship that they either haven't looked at or are ignoring and eventually that will come home to roost. So I think the key thing is to look at you know what are we bringing what is that future going to bring what are the things that you know if I have to go and look after kids or have to emigrate somewhere what's going to happen to this business what happens to my equity all those questions need to be thought through, discussed.

13:33Jennifer O’Connell:And contractually, you can then just draft those provisions into that contract and set that relationship in a firm footing. Huge thanks to Brand Growth Heroes podcast sponsors, Jolson. Now let's get back to the show. Talk to me a little bit about the delivery in terms of packaging and format. The box, when you sent me some samples, and thank you so much, by the way, I had one this morning. I cheat a little bit. I put it in some orange juice. I love the tangerine flavour. I put it in some orange juice. And this morning I actually put it in a Lemsip Holden Flu sachet and yours and the orange juice and some hot water.

14:10Not too hot though, because I didn't want to denature any of the vitamins. And that just felt like, oh God, I'm putting all of this goodness and all of this help for my throat at the moment. When I received it, it felt like I was getting a beauty box. Sisterly is the name of the brand. Let's talk about that in a minute. And it says the elevator, the smarter way to supplement. Talk to us about that proposition, the brand proposition, the name and how you developed, you know, because it really feels like a beauty product, a ritual, the sachet and they all line up perfectly. There's something about the way they all line up in that box and it sits on my kitchen counter and I feel that whole ritual piece.

14:46It feels really nice. You're doing it right. So that's exactly what the purpose behind it was. We were thinking consistency is so hard with capsules and tablets. And the reason is you put all those jars out in your counter for a while and then they're ugly and they're cluttery. You pop them in the press. They're out of your eyesight. You forget to take them. Cupboard for everyone who's not Irish. It's a press. We call it a press, but it's a cupboard. Anyway, you pop them in the cupboard. You pop them in the cupboard and they disappear, never to be seen again. Or do you know what I just did about six months ago?

15:19I said, screw this, all the bloody jars on the counter. so I got like one of those bento boxes for kids and I dosed them all out myself and I thought well this isn't like a granny thing because it's not a pill box it's a bento box and then I fucking forgot about them and then now they have all because they are fairly natural ones they've absorbed the moisture and then they've all bled this orange shit into the bento box and I've had to throw the whole lot of them out There you go we are here to solve that problem for you because it's such a shared issue we called it like the graveyard of supplements that cupboard where all those supplements go to die.

15:54And, you know, they go out of date. We all do a clear out about once a year because it gets so cluttered because let's face it, we're all going into our health food store, our pharmacy, picking things off the shelves, not really knowing what they're going to do, but like in the hope that they are going to help us. You know, you might spend 20 quid on something and think, oh, this is I'm going to do it. I'm going to spend 20 quid, even though the rest of my baskets only, you know, everything's like four quid in it. I'm going to spend 20 and it's going to change my nails or change my hair. And then you take it for about three days and then you forget.

16:25Well, that's me anyway. A hundred percent. That's the shared experience. And the other thing that happens is, so let's say somebody would tell me to get a B-Complex and buy the jar of B-Complex. I'm like, I'm going to keep with this. I need more energy. But you take it for, you know, seven to 10 days, then you'd forget. Then you wouldn't feel any different. And you'd blame the B-Complex and say, I'm not really sure about supplements because you didn't feel any different. So the consistency piece is so important with supplementation. Like it really is the beginning, middle and end. What we talk a lot about on the Brand Growth Heroes Mini MBA is about consumer behaviour and about understanding how your consumer behaves in the category before you launch.

17:06And really, this is what you've done. You've gone in, you've understood what the pain points were, you've understood exactly where it's stored in the kitchen, when it ends up being thrown out, and you're solving for those needs. It's not just about flavour, it's not just about functionality, it's also about usage. Because there's so much value, category value, to be had for brands out there listening by understanding usage and pain points and usage, not just pain points in the actual product itself. And I think that that really helped us because we are the consumer. So So Aoife Louise and I don't have a white coat between us.

17:38And we would all be very conscious of the fact that we are not the people who formulated this supplement. We had a team of people that we brought together to and we'll talk about that in due course. But what we do have is real consumer experience of what it's like to take a supplement and what stops us from taking a supplement every day. we also have the lived experience as busy women of you know having a to-do list that never ends and it was really a case of saying we know supplementation is a really good idea we find it really hard to do every day so how can we simplify and sort that problem out for women so what we did was we made the box in a very neutral bland colour so that it could fit into every kitchen every other supplement you look at on the shelves is shouting at you and especially because this was a supplement for women.

18:31I mean, we spoke to an investor at one point and she was saying to us, I don't understand. It's like not bright pink and there's no flowers. Like how are women going to know it's for them? And we were like, they'll know because we really felt, you know, actually let's solve the problem for women and have this on their countertop, like your gorgeous cosmetics. So you sit there, you're proud of it. You look at it every day. It's not an eyesore. Great. It'll sit on the kitchen counter. Like Mel Robbins always tells us, if you want to introduce a new habit, have it in your eyesight. You know, if you want to lose a habit, get rid of it.

19:03I have one other box on my counter and it's Ancient and Brave collagen sachets. And we love Ancient and Brave. When did you start the business? When did you start selling once you'd decided what it was going to look like and what was inside the sachet and how you were going to deliver that sachet in a box and a beautiful box and the brand and all the rest of it. And I love the name Sisterly. When did you launch? That was Aoife, was it? When did you launch? What's your number one channel, you know, where are you being, who's buying you around the world and what's your revenue or turnover like and all of those things.

19:33Let's get into that. So we were three years in development. It took us ages to get this kind of medical panel together. I think as a barrister, I had seen so many experts in court on either side of a case with a great CV saying completely opposite things and both being able to justify their positions. So we were like, OK, we need a consensus view from a team of people. So we have four world-class experts who worked on this formulation for three years. Then we finally launched in 2003. We're very conscious that we did not choose the easy road by choosing a powder supplement. If you go with a pill or a capsule, you just stick it on the tongue, swallow it down, flavour is not an issue.

20:11If you're going to go the powder route, and you might wonder like, why are there not more powders on the market? they are so difficult to develop. So what most manufacturers want you to do is just stick in a bit of sucralose to hide the flavour and to flavour it really heavily. To try and because, you know, these things don't taste amazing, but we worked with a particular formulator who had a specialisation in powder. And he actually, in fact, had done an unflavoured multi-nutrient. And then we were able to work with him to create a really bland base. We thought we were going to market, I'd say, a year in.

20:45And it took a further two years to figure out how to make this clean, you know, not with anything that was going to cause a blood sugar spike, no sucralose. And the manufacturers were, we went through four different manufacturers before we arrived with one that believed in our vision of a really clean, potent supplement that was uncompromising in terms of quality. But we got there eventually. But it took forever. It was so painful. I mean, we had our experts trying all these different potions. And I mean, they were just going, this is disgusting. And sometimes Aoife and I would think we'd cracked it and then we'd get Aoife back from LA or Louise back from LA and she'd try and she was like, nobody's going to take this.

21:25So we're like, oh no, back to the drawing board. So working on the flavour piece was really tricky and it does create a barrier for entry. I mean, to be honest, it's such a wide open space in female health. We don't, we feel the world is a very big space. And if other people will create products at the same quality as we have. That's a really good positive thing. It's not it's not a cheap or easy thing to do. And it takes a huge amount of time. We invest massively in our expert panel and the amount of time it took to get us to a product that's winning awards all over the place. I mean, we don't enter the product into half the awards that we win.

22:00You know, they just kind of arrive in and we're just like, this is unbelievable, you know. But the other piece that is phenomenal are these really well-respected experts who are independent. They skin in the game, like they're not going to reach out and approach us and offer support. But for the fact that they really do want to recommend these things to their, recommend a good product to their clients, we get contacted day in, day out by doctors, female health experts, nutritional therapists, saying this is a really good product. If you understand a label and you can look at the bottom of the box to the forms of the nutrients, people get very excited because the combination is excellent.

22:42The synergy of nutrients is brilliant. It's really covering a lot of bases. It's doing it in a really smart way. And when you read the ingredient list, there's not things in there that will make you go, oh, I prefer that wasn't there. Like there's no hidden sucralose or anything like that. So all the really smart people are really liking this supplement. The people who know, the people with decades of experience and who've seen so many things come to market. They really like what we've done and the packaging is beautiful and that's great, but it's actually what's in the sachet. That's the only thing that's going to create longevity for us.

23:18If this episode is inspiring you to think about new ways that you can drive growth for your business, don't forget to click follow or subscribe on your favourite podcast app and even leave a review. Your small gesture has a big impact on me and my business and will be truly appreciated. How is that translating or how is that translated into sales and traction and growth? So we launched in Brand Thomas in Ireland, which would be the equivalent of, let's say, Selfridges in the UK. And Brand Thomas has been amazingly supportive of us. And that has just continued to grow. Mars Pharmacy, again, a big pharmacy chain here in Ireland.

23:53And then, but mostly we're a DTC brand. So 80 % of our sales are direct to consumer. So then we went, rolled out in the UK with a launch in Harrods, Whole Foods. And we're just about to launch in John Bell and Croydon, which is. Oh, I love John Bell and Croydon. Yeah, John Bell's so class. So we're launching there in October. It's a great discovery place and I love their team. They're really supportive as well. They're fab. So again, then we're doing a kind of a lot of building our community, building our ambassadors. And again, like I suppose people probably, we've these great actually athletes who all love Sisterly.

Read the full transcript

24:31So Sonia Sullivan you'd know Fee from you know she's a national treasure here in Ireland. You know she's probably we don't have that many Olympians but she would sit at the top of the gig. You know she was she's just such an extraordinary woman. And she's a working mum right? She's a mum and her daughter Sophie is now running in the World Championships. She was there this weekend and but Sonia says it as it is and really is she couldn't but tell the truth. She's just made that way. And she came to us by following us on Instagram and we sent her a message saying, hi, Sonia, would you like to try?

25:03And left her alone, wondering what would she think? Because it was very early doors with the brand. And then went back to her and she was like, this is brilliant. She travels all the time and she's like, I'm taking this every day. I feel great. So then she started speaking organically about us on podcasts and things like that. And that just really caused our sales to fly because nobody had ever heard Sonia Sullivan actually talking about a brand. And she did that off her own bat. We didn't ask her. We weren't paying her. Nothing. I mean, this is a very real relationship that has been built with Sonia Sullivan, now her daughter, Sophie.

25:34I recently had Kate Prince from Ancient and Brave on the show, and she talked exactly the same way about their relationship with Davina McCall. So Davina McCall discovered them and loved their product and started talking organically about it. And that relationship has been built from there, you know, over the years. And I think that's wonderful. But you know what's fascinating about this? OK, so I would have been on the outside of all of this prior to now. And we're all very cynical. We believe that this is all done through agents and there's big fees and money changing hands. And people are only saying it because they're being paid to say something.

26:10And I just because I've seen that partnership between Ancient and Brave and Davina McCall. And it warms my heart to hear that that's how that came about. And it really is. That's how all of our relationships have developed. So Victoria Smurfett, who's in Rivals, again, we gifted her. She loved it. And then she's just like supported us in so many ways because she thinks it's fantastic. She hosted a lunch for us and brought along all these amazing women from Rivals and all the rest of it. And now the whole cast of Rivals are on it at the moment as they're filming their second season. And it's just amazing.

26:47You actually look a bit like Victoria Smurford. Do you know that? Do you know something? We'll end the podcast there now. That's the best compliment I am ever going to receive. But it's true. No, but since I've known you years ago, when I saw Victoria Smurford becoming an actress, I was like, God, she reminds me of someone. And I never really clicked until right now that it's you all those years ago that she reminded me of. But no, but Victoria is just, She's Maud, obviously, in Rivals. And she's fabulous and fun and unfiltered and such a mighty supporter. And she jumps in on every Instagram post and every and she's she's just fantastic.

27:32But let's tag her when this goes live. We'll tag her. OK, get her to jump in on the Brand Growth Heroes Instagram feed. The woman is just amazing. And I think that then again, and like that's we're only a baby brand. We're only out two years. But what I really hope when I look at Kate and, you know, the Davina piece and Ancient Brave's growth, I really hope that that's what is in store for us as it lands in the hands of more and more amazing women with stuff to do who are just of that supportive spirit. And they want to share with their friends and the people who follow them something that's really good.

28:08Do you know who else has been absolutely amazing is Liz Earle. Oh, wow. Oh, Liz Earle's again, like she was somebody when I was, you know, the three years before we launched, walking on the beach with a girlfriend of mine from school, kind of going, I was asking her, who do you believe and who do you trust? And she was like, Liz Earle, I trust Liz Earle. She seems to really know what she's talking about. And it's almost like when you just plant a seed like that, then it's just like we're like sniffer dogs. Well, it's kind of like you just make sure it happens and you do all that. And I do believe in that.

28:36Like you said, you plant a flag and you just kind of you just always are tweaking away. And eventually Liz came to an event we hosted in London called the Sister Luce. Not Liz, one of her team came to an event we hosted in London called the Sister Luce Summit in the Arts Club. And we were all there as founders and she heard us speaking. And then I think went back to Liz Earl HQ and said, actually, these people seem sensible and they're trying to do something good. and their product seems to make sense because she's a real gatekeeper of trustworthiness. Like Liz Earle does not. You don't just get to rock up to Liz Earle and say, OK, put us on your podcast there, please.

29:10We'd like to just come on. And, you know, she just would accept a fee and have anybody on. She's not like that at all. And we'd be knocking on that door for ages and getting nowhere. And suddenly the doors opened and we've done a number of lives with her now. and we're doing a podcast with her soon because she has her mum on it and she takes it with her travelling. And she did a lovely organic piece for us the other day from her holidays with her sisterly sachets as one of her favourite, you know, travels. Unbelievable. And when you have somebody like her, who's like the queen of good health and ageing well and knows all about supplements, when she's bringing us on our holidays, like day made.

29:52What, how is, and I keep asking you this and like all the best lawyers, you keep avoiding it. What does this mean in terms of growth, turnover, sales? Like what can you share with us in terms of what size you are? You know, make us drool here. I look at you. You're so funny. Like all good lawyers, keeping all the good information away. So we've got like over 3000 subscribers. And so that's, you know, they're on a monthly subscription. So that's, you know, within two years, that's way ahead of our projections. And then obviously there's the whole retail piece on top of that again. Give us a fork, for goodness sake, Jen.

30:24Like, are we talking, you know, 500 ,000, 17 million? Like, what band are we in? Well, so, you know, the product retails at£79. So, like, you know, with your 3 ,000 subscribers, you can kind of figure that out. £79 for the box? £79 for the box. And there's a really good reason. That you sent me? Yeah. Thank you so much. You're very welcome, Fiona. Glad you had a look to see what we'd sent you. There's a really good reason why it is that price. And we, when we were formulating this with Dr. Daniel Jones, we said to him, look, take price off the table. We really want to know what does the list of the best nutrients look like?

31:02And if you didn't compromise, so an awful lot of brands and a lot of big companies would say, OK, the market can tolerate this price point because there's so many brands operating in that area. And that's the place we go to scale. What we decided to do was there was lots of OK stuff on the market. There's a ton of stuff in the kind of the middle ground. And there's a lot of very badly made stuff on the market. So we said, OK, what would it look like if you made something that was the best it could be? And don't be governed by saying no to things because it has to fall within a particular price point.

31:35So we left Dr. Daniel Jones at it and he always says it was the first time he was ever given carte blanche to make a supplement and just kind of put in it exactly what he wanted in the dose that he wanted in the form that he wanted. and I think probably because we're all quite good advocates we felt that we could explain why the product was more expensive and there is definitely if you're taking one thing a day and it is going to make you feel better and get less sick and have more energy to go out and meet your friends and look after your kids and you know just have a nicer quality of life and do great things for your hair skin and nails and all these other things well then we felt that the women would be willing to invest, provided it wasn't a placebo and provided they were going to feel tangibly better.

32:22So it's less than the price of a cup of coffee a day. So it works out at 290. And I mean, your cup of coffee is about four pounds. So I mean, it, you know, it's a good, if you're willing to spend 290 on yourself a day to not end up with a cold or flu, to have the energy to go out for the night, to sort out your hormones, your cycle, and to sort out your hair, skin and nails and improve your sleep. If you think that all of those benefits add up to$2.90 a day, we're the product for you. And we do understand that there are cheaper things out there. And there should be a range of options for people to choose from.

32:59But all you have to do is read our reviews to see what you're getting for the money that you're spending. What's really interesting about this from a kind of a category creation point of view is that you guys, are you the first really to market in the top end of the mass market where you're dragging the price of supplements up or you're elevating the price of supplements up and you're showing investors and people that it can be a much more valuable market to play in? No, there was plenty of other brands who demonstrated that their price point was more than like fine for them. But what I think that we did do is we approached it.

33:40So none of those are kind of like a multi-nutrient like we are. So we are 23 essential nutrients. It's a really comprehensive formula. And, you know, it's all the non-negotiable essentials. And I think that what we did was we optimally dosed all of those. So we solved the problem of pills and capsules. We solved the problem of a really strong, disgusting flavoured powder. How has your law experience in law and everything you've looked at helped you to approach operational problems and all sorts of other problems in this business challenges should we say I know when I spoke to Olivia from Trip her legal background has been hugely helpful you know with things like regulations and you know co-manufacturing agreements and all that kind of stuff it just really helps well it had helped probably when we were coming up with the the name sisterly because I was able to navigate the intellectual property websites to just we went through so many names because I was able to just literally plug them in and search them and figure them out so like as We had a WhatsApp group with like thousands of names being fired out.

34:43So instead of waiting for another professional and incurring fees at a really early stage, trying to figure out, could we trademark any particular name? We were able to cut through that process really quickly. But the other thing that happened to us during the three year process of trying to sort out manufacturing and Aoife was all over the manufacturing. She's absolutely amazing. She's one of the most organized people you'd ever meet. And she was, you know, on it. at one point we had a manufacturing run done just before we were about to launch and they made a mistake. They puffed air into the sachets and just ruined all these nutrients because there was moisture in the air that they puffed into the sachets to make them look pretty.

35:20So we suddenly, before we'd even launched, had this huge potential problem because we were called on by the ingredient manufacturers to pay, but the packing company had messed up the packing and a whole batch had been destroyed. So again, I suppose the legal training came in there because I was getting everybody on calls, recording what they were saying, feeding it back to them, how, you know, their positions weren't logical because nobody was taking responsibility. So we probably managed to run a court case before, you know, before it turned into a court case and everybody in the end accepted responsibility and we didn't take the hit, which would have been a pretty devastating hit at that point in time.

35:59I mean, we were talking tens of thousands. So definitely it helped to have that kind of mind to pick people up on points that they had made in calls and in meetings and to be able to say, guys, this is what it's going to look like when all this evidence comes out. So can we now just all approach this sensibly and find a resolution? So that was that was helpful. And then, as I mentioned previously, you know, the experts not accepting the word of one expert, ensuring that you get a consensus view. That definitely was as a result of just knowing from having seen so many cases run with really well-respected experts on two sides of the case saying diametrically opposing things.

36:43So that process takes much longer. We had Dr. Mandy Leonhardt, Dr. Daniel Jones, Adrian Byrne, a nutritional therapist and sports nutritionist, Susie Perry, a food scientist. And we were running through all of them with every decision to make sure that it gets finessed. You know, somebody would say, but have you also seen this paper? And maybe we want to think about this. And then somebody else would say, but hang on, that might do this. And it took forever to get to where we got to, but well worth the time and the investment, because now we can stand up absolutely confidently and advocate for what we have in that formulation, because we know that we have these incredible experts backing it up.

37:23And so let's say there was an issue recently around biotin. There was a lot of chatter on social media here in Ireland, scaremongering around biotin. And we were able to go back and we have another amazing expert now, Reshma Patel, a dietician. She's the dietician in Harrods and she's now joined our expert panel. So we're adding to it all the time. But we were able to go back to each of our experts and get them to agree on a statement of facts around biotin, sign off on it. And they all like put their names beneath it to demonstrate like this is the level of expertise that we have for the position that we are putting forward.

37:59And that, again, is my legal background going, no, no, no, we don't leave any room for error here. You know, there can't be any confusion about an area that's very confusing. so I do think that being a lawyer and I would say any lawyer that comes into the supplement space and I'd say that's why Ancient and Brave is as good as it is is because as a lawyer you've been hauled over the coals for 20 years about anything that is incorrect inaccurate and you don't operate in the area of grey you have to be 100 % confident that what you're saying is correct and you bring that level of professionalism into, you know, business.

38:40And it's really helpful because you keep pushing and driving until you get very reliable answers and you keep pushing and driving until you can feel really confident that what you're saying and what you're doing is the right thing. And so, yeah, I think there's a lot of transferable skills that you bring into business when you've been trained in another area. And your co-founder who was in marketing, Tell me a little bit about her background and how she's been able to kind of lift the brand and the comms and the engagement as a result of that. So Louise is based in L.A. and Louise has, therefore, this kind of front row seat to all things wellness and brand.

39:20And Louise has a real magic around her. Like, you know, she kind of, you know, dresses amazingly, has the best accessories. She's like a little magpie, you know. And it was very collaborative when we were coming up on the box. Aoife was doing all the outreach with our graphic designer and we were sitting down and, you know, we all had kind of input into how we wanted it to look. And we picked our favourite brands and kind of brands that we really admired. So let's say like the Apple iPhone. Louise had like her Apple iPhone box out going, look, it has to look like this. And, you know, I think I picked the colour of the paper and it was really fun.

39:55You know, we were all just kind of going, OK, what would be the kind of thing you'd want to leave out on your counter? And then we then kind of, you know, in terms of the marketing. So we've been doing a lot of community marketing. So that, again, feeds into things that we love to do. So I'm a big triathlete. I love sea swimming and Aoife is a great runner. And then Louise loves kind of dance. And we've been doing kind of community activations that kind of lean into our hobbies and the things that we love to do. So that actually has been, again, not something that was conceived of around a boardroom table.

40:32It was more like we believe that the pillars of wellness are not just nutrition, it's movement, community, connection, you know, learning about female health, you know, getting experts to educate us about those gaps in our knowledge. so from that we have set up like two sisterly summits in Dublin in London and that was about bringing like with Rose Ferguson at our at our summit in London and with Sonia O'Sullivan and Miriam Hussey who's a pharmacist and a health and nutrition coach and we bring these women together and they're all kind of corporate women to kind of talk about how to elevate their everyday and then so we did a Jane Louise organised a Jane Shorthall dance event the other day we had a sea swim at the 40 foot on Sunday you know the 40 foot where they filmed Bad Sisters we did a cycling event a corporate cycling event we've done I mean honest to God we're out the door with events I mean I think we've three more this week How do you manage that and family life?

41:31It's a struggle I think I don't know that it is sustainable on the level that we're doing it at the moment Like we've been sprinting for two years, doing everything. But what we have managed to achieve from that is massive awareness here in Ireland. But Ireland, I think, is a bit of an unusual market. Like we all just kind of talk to each other and tell each other what's going on. So we've got great awareness in Ireland. But also, I think we've managed to have great, like, I hope, I hope people feel they know us and they kind of know what we show up to do and they enjoy what we show up to do. And everybody who comes away from those events is like going, that was brilliant.

42:09So they're not just talking about our product. They're also saying, well, and they went to the trouble of and we raised money for women's aid. In our first year, we weighed five thousand pounds for Choose Love in the UK. So we really do a kind of we're always thinking about how can we make this the best it can be in terms of giving back. And I know like that's like that's just who we are. That's how we like to do things. If people are going to be good enough to support our brand, we want to make sure that they're having a really good time and that they're meeting like-minded women and the whole thing's inclusive and it's all very friendly and fun.

42:42But in terms of the UK, we do know that we kind of have to switch it up a bit. The market's just so massive geographically and everything else. So we still are doing kind of smaller events because it gives us an opportunity actually to meet with experts and to build that kind of stable of people who then go on and advocate for us. So it's not just, you know, the 30, 60, 70, 100 people who show up. It's also the opportunity to build that network of women who know us and want to support us. And new opportunities come out of each of those get togethers and meetups. And so, for example, we're doing a beautiful wellness morning next week with Adrienne Adami.

43:23Adrienne has the wellness podcast and she spoke about us organically again. And now she's coming to do a kind of a breathwork morning with these mums from Marble College. And it'll be absolutely gorgeous. And, you know, and it's that face to face time that then creates more opportunities. So it makes sense. We were told by another brand, Acton Acre, that this events piece was never going to work. It would stall. But for us at this stage in our growth, it's important. It's a heavy lift, but it actually it's energizing for us. And also it is important to build out that kind of community and supporters.

44:02Trini Woodall has been amazing. Trini, we were on her elevator pitch and then we were at her alumni event and her whole team are just dynamic and brilliant. And Trini is really supportive of female founders. And she gave us a great shout out in her newsletter. And, you know, hopefully we'll be doing more there. So, yeah, I think there's, you know, there's enough good people that we've met with at this point in time that we just need to keep doing what we're doing. There's something really unique about this army of advocates that you are organically collecting. It's a bit like the Pied Piper. It's wonderful.

44:36It's wonderful. I have rarely come across it. And I really like that you're recognising that the events are not just about activating kind of engagement with consumers authentically, but that it's other experts that you meet as part of that. that's really rich. So to anyone out there listening, I think that's a huge takeaway, that those events are not just necessarily about meeting the right consumers, but also about meeting and engaging these army of experts around you who would also be advocates. We're really conscious as well that not every event that we organise is a sales event. So let's say our sea swims down at the 40 foot, like we don't even really, you know, we don't push sales at all.

45:13We're there to swim and we've partnered with a coffee company, Coco Brew, and they do amazing coffees and cakes. And the whole thing is like getting in the Irish Sea requires a bit of support. So when you've got like 30, 40, 50, 60 women down at the 40 foot all jumping in together, I mean, the energy is high. But then they all go home and they're talking, I was at the Sisterly Sea Swim. I mean, people come to the Sea Swim now going, what is Sisterly again? What do you guys do? Just Sea Swim? So we're like, no, we actually all have a product. But it's all really, it's really fun. Like it actually genuinely is really fun.

45:48And I mean, sometimes I think we're all exhausted, but in another way, you really do energize yourself from meeting new people and having the chats. And there is a common theme of people are like, God, I needed this today. You know, I really needed to get out of the house wrecked. We do it on a Sunday as well, because a Sunday is a really good day for moms and busy women. They'll give themselves that time on a Sunday. So we're learning all the time and we're, you know, we're figuring things out as we go. But I think our North Star is what would we want? I think that that's the luck of being your own consumer.

46:20Like what would we like to spend our time doing? How would we like it to go? We don't want to be pushed like pushy salespeople because we don't like pushy salespeople. And, you know, and people will come to us. Jennifer O 'Connell of Sisterly, thank you so much for coming on Brand Growth Heroes today. It's been an absolute joy and really inspiring to hear how you guys are building this brand from the ground up and wishing you the very best of luck and hopefully you'll come back on in 18 months and tell us where you're at I'm sure it's going to be absolutely massive here's the hook again listen Fiona thanks a million for having us on it's um it's been an absolute joy it's great to reconnect

47:02women are not small men and when you focus on women specifically you make a better product for women. I mean, how brilliant is that? I love it. Jen, thank you so much for coming on the show today. I hope you all learned loads, particularly about building a kind of a community grassroots movement. I love the fact that they rock up to do their cold water swimming in Dublin without necessarily selling anything. You know, it's just about everybody being part of that swim together. If you liked this, if you got loads out of it, please click follow and like, share it with a fellow founder, share it with somebody who you think would like Sisterly Elevator in their life.

47:36certainly I felt the difference. Thank you so much and see you on the next episode.

47:48As always, thanks again to my tech guru and sound engineer Jip Bagan of Ballagrove and my podcast producer Catherine of Social Cues.

From the publisher

If you’re anything like me, you’ve probably got a graveyard of supplements in a cupboard or under the sink, half-empty jars of vitamins that promised the world but now just gather dust. And when you do remember to take them, you’re faced with a mountain of pills of all shapes and sizes. Ugh.

Well, my guest this week is here to save us from that nightmare. Jennifer O’Connell, a friend of mine from our university days, left a 20-year career as a top barrister in Dublin and New York to co-found SISTERLY, alongside her two brilliant friends, Aoife Matthews and Louise O'Riordan.

We chat about:

  • How Jennifer’s legal career helped her navigate everything from trademarks to manufacturing disputes
  • Why designing for women not small men makes all the difference
  • The three-year journey to perfecting a powder supplement that’s now winning awards (and hearts!)
  • How community and authenticity are driving their grassroots growth – from cold-water swims at the 40 Foot to Sisterly Summits in London and Dublin
  • The power of organic advocacy: think Sonia O’Sullivan, Liz Earle, Trinny Woodall, and even the cast of Rivals (Victoria Smurfit doppleganger?!)

What I love about this story (and I hope you will too) is that it’s about more than supplements; it’s about sisterhood, collaboration, and creating something that truly elevates women’s everyday health.

Oh, and “Women are not small men.” When you design specifically for women, you make a better product for women. SISTERLY have nailed that, from the science to the packaging to the way they show up in the world. And I love how they’re building community in such a natural, joyful way, not just selling a product but inviting women to connect, dance, swim, and lift each other up. 

Enjoy, I hope you all learn loads!

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Thanks to Brand Growth Heroes’ podcast sponsor - Joelson, the commercial law firm

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If you're a founder, you already know how much of your energy goes into building the perfect product, creating standout branding and connecting with your consumers.

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Not many law firms are also BCorps, nor do they specialise in helping founders navigate the legal challenges of scaling without stifling the creativity and momentum that got you here in the first place. So thanks, Joelson—we’re delighted to have you on board.

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