LIFTS Episode 102 - The Career Skill No One Trains For | Battle Tested Principles for the Corporate Athlete

14 Dec 2025 · 49 min · 19 chapters

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In short

How tactical/special-operations principles translate to executive leadership and corporate “athletes,” with a focus on nutrition, sleep, stress management, and decision-making under fatigue.

Guests

Dr. Nick Berenger, nutritional psychologist and human performance consultant; first dietitian to graduate Ranger School; served with the 75th Ranger Regiment; PhD in kinesiology (Texas A&M) plus advanced exercise science/dietetics; former program director (Army) and assistant professor at West Point; research at U.S. Army Research Institute of Environmental Medicine; works at Lionel University and runs Enkratia LLC. Hosts: Matthew Januzek and Mohamed Iqbal (fitness-focused corporate athletes).

Key claims

Leadership is “what you do,” not what you say; sleep deprivation causes misidentification errors (fratricide risk) and people may not realize they’re wrong; consistent routines improve performance; resilience is trainable via repeated challenge.

Notable examples

U.S. Army study—72 hours sleep deprivation led to shooting friendly targets; soldiers rated performance as unchanged. Nutrition day template: 16 oz water on waking, ~30g protein at breakfast and lunch, “three colors” at lunch (Fruit Loops excluded), creatine 5g daily and ~25g when sleep deprived. Stress tools: caffeine dosing guidance, beetroot nitrates, hydration effects on cortisol, creatine monohydrate for brain fuel, ashwagandha for down-regulation. Physical ideal: “supreme generalist” (endurance + strength), “gazelle gymnast” vs “Rambo/Commando.”

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

Chapters

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Introduction to Nutrition and Performance

0:00 to 0:31

Discussion on creatine intake and its relation to performance.

“I take about five grams of creatine per day regularly religiously.”

Dr. Berenger's Background and Experience

1:50 to 2:40

Overview of Dr. Berenger's qualifications and military background.

“I'm going to skip past all of your certs.”

Performance Principles for Executives

2:40 to 5:48

Discussion on tactical performance principles and their application to executive leadership.

“I've got so much to ask about, but I think what we could start about is, you know, what happens when tactical performance principles meets executive leadership?”

Impact of Stress on Leadership Decisions

5:48 to 12:14

Exploration of how stress affects decision-making in leadership roles.

“In preparation for the podcast last night, this Andrew Huberman interview came up with a guy called DJ Shipley, who I'm sure you're aware of.”

Sleep Deprivation and Cognitive Function

12:14 to 12:37

Insight on how sleep deprivation impacts performance and decision-making.

“I mean, one, when I even think about myself, I tend to work long hours most days, but I find myself not as thoughtful or effective later in the evenings, right?”

Establishing a Productive Routine

12:37 to 14:00

Discussion on the importance of routine and personal productivity patterns.

“So if there's something that needs deep thought, deep insights, deep writing, I typically save that for the morning.”

The Power of Consistency in Routine

14:00 to 15:00

Learn how consistent scheduling enhances performance and well-being.

“you know, your schedule or, you know, your regimen, there's a lot of strength in that, right?”

Building Resilience in Real-Life Scenarios

15:00 to 16:00

Explore strategies to maintain performance during unpredictable situations.

“I'm going to get my workout in, I have this window to get my deep work in, if you will.”

Optimizing Performance with Supplements

16:00 to 18:40

Discover effective supplements to enhance performance when sleep deprived.

“No, that's a great point is we all are going to have those days.”

Crafting an Ideal Nutrition Plan for High Performance

18:40 to 22:46

Learn about a balanced nutrition plan for enhancing daily performance.

“So that's another variable that I control.”
Show all 19 chapters

Managing Stress in High-Pressure Situations

22:46 to 24:20

Understand techniques for stress management used by elite athletes.

“And I'm sure that's got a lot to do with how they're able to sort of turn around a difficult situation to their advantage.”

The Impact of Weight Cutting in Competitive Sports

24:20 to 28:00

Examine the effects and strategies of weight management in fighters.

“As far as stress, I mean, you know, what, what supplementation out there that is kind of benefit and got a lot of good research behind it is ashwagandha.”

Finding Perspective Through Challenge

28:00 to 30:20

Learn how embracing discomfort and challenges can reshape your perspective and resilience.

“Because I would imagine in a life or death situation, you certainly want to be thinking with a clear head.”

The Role of Stress in Growth

30:20 to 33:19

Understand the difference between good and bad stress and how it contributes to personal growth.

“Well, look, growth always happens from discomfort.”

Decision Making Under Fatigue

33:20 to 36:24

Explore the importance of training for decision-making in physically demanding situations.

“But you do send me a lot of voice notes when you're running, so it is conscious.”

Physicality of Elite Soldiers

36:24 to 40:09

Discover the traits of elite soldiers and how their fitness challenges common perceptions.

“Are we going to go another hour is another miles, another two miles, another five miles and things like that.”

Resilience Through Experience

40:09 to 42:00

Learn how resilience can be developed through experiences and challenges over time.

“Like having that switch in your brain must have a massive impact on, on those people that, that, that succeed in this realm.”

Key Takeaways from the Episode

42:00 to 44:24

Nick and Matthew share their final insights on fitness and leadership.

“Well, Nick, it's been great to have you on.”

Mastering the Basics of Health

44:24 to 47:26

Discussion on the importance of hydration, nutrition, and discipline in maintaining health.

“For a lot of folks, it's just mastering the basics, right?”
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Transcript

Automatic transcript. May contain errors.

0:00I take about five grams of creatine per day regularly religiously. If I'm sleep deprived I take about 25 grams. They wrongly identified enemy targets right so they let some of the enemy targets go and then they started shooting some of the friendly targets. Schwarzenegger, Commando, that's what you think of as a soldier. Rambo. Rambo right and that big you know muscle isn't really beneficial necessarily on the battlefield because you got to carry your own engine.

0:31Matthew Januszek:Welcome to this week's episode of Lifts. I'm Matthew Januzek, and I'm here with my very fit and healthy co-host, Mohamed Iqbal. Mo, how are you doing today? I'm good. Well, I don't know who's fit. I saw you on Instagram for your birthday, by the way. Happy birthday. And you were working out shirtless on the beach with your also very fit and very tall son. And you're looking good. You're looking good. So you're looking lean. I think you're leaner than me right now. So So, no, that's good, I think. And look, we have a lot to talk about. I'm really excited for the guests that we have today because we'll be talking about nutrition and high performance.

1:08I know, Matthew, you and I, if we can squeeze out an extra 5 % out of ourselves in a day, we absolutely look for that. And I think our guests today will help us with that. So today we have Dr. Nick Berenger, who not only is a leading nutritional psychologist and a human performance consultant. He was also the first dietitian to graduate the Ranger School and served with the 75th Ranger Regiment. He holds a PhD in kinesiology from Texas A &M, advanced degrees in exercise science and dietetics and certifications. There's too many to read here because we only have about 30 minutes to the podcast.

1:50I'm going to skip past all of your certs. but your experience spans research, academia, and real-world applied performance. You also served as a program director for the Army, the Baylor Graduate Program in Nutrition. You were an assistant professor at West Point, the U.S. Military Academy. You've contributed human performance research at the U.S. Army Research Institute of Environmental Medicine. Today, A, you work at Lionel University, and you also have your own LLC called Enkratia, which stands for, which is Greek for self-mastering. You and I were talking about this before we hit the record button.

2:30Built around the idea that elite performance, leadership under pressure, and everyday excellence begins with internal discipline, physiology, and intention. So, I mean, I'm not really sure where to start. I've got so much to ask about, but I think what we could start about is, you know, what happens when tactical performance principles meets executive leadership? And how can, you know, how would you, for us, high performers who are also executives, what are the baseline things that you would tell us? Right. Hey, first, Matthew, Mo, thank you so much for having me on. It's a pleasure. Love the episodes.

3:13I've been listening to the podcast. I love the stuff with the group fitness, the last one in the alcohol before that. I think that was with Sam Ward. So it's a great stuff. My pleasure to be here. You know, working with the tactical setting. So that's where I come from. I spent 21 years in the military. Some of that with a organization, the 75th Range Regiment, which is special operations, kind of working with those high performers and learned a lot about kind of intention and those base practices that is used in high performance organizations, such as, you know, if you look at the Olympic Training Center or any other professional sports organization, And taking that and bringing that to those what we call tactical athletes.

3:58Right. So that's what I did in the military is how to fuel them so they can recover, so they can make the best decisions so they can do those physical things. And I like to think of the military as kind of the first hybrid athletes. That's that's kind of a term that's popular now that it's kind of shaped in the fitness world. I think you guys would appreciate. But, you know, before anybody was talking about hybrid athletes, military members had to lift heavy things and be able to run great distances and, you know, have endurance and have strength. So what I've done since leaving the military, looking at the landscape in the business world is what you guys are.

4:34You guys are the pinnacle of executive athletes. Both you individuals are extremely fit. I saw that Instagram post that you were talking about, Mo, and yes, he does look jacked. I might need some nutrition information from Matthew after seeing that post. But then, you know, Mo, we were talking, I heard some great stories from Joe DeSena in your time with Spartan and how fit you were running up and down a mountain. So all I'm doing is, you know, you guys get it. But when I go into a lot of organizations, the people behind the desk don't always get it. They don't, you know, I tell them like, hey, you're corporate athletes and you're executive athletes.

5:07And a lot of them look at me, I'll ask them that question. I'll be like, how many people here think of themselves as athletes? And you might get like the one prior college guy or gal raise their hand. And then the next question I pose is, okay, who here relies on their body to make a living? And then all the hands go up. It's like, well, you're an athlete. And so a lot of what I do is try to shift what those folks in kind of the corporate world, if you will, because, you know, we're talking oil and gas. We're talking machinery. We're talking other things kind of in the fitness space that you're in.

5:38They don't really see themselves as those type of athletes. So it's getting them to shift that mindset and see themselves like athletes, just like I did with the tactical athletes years ago.

5:48Matthew Januszek:In preparation for the podcast last night, this Andrew Huberman interview came up with a guy called DJ Shipley, who I'm sure you're aware of. He's a retired Navy SEAL, SEAL Team 10, and quite an impressive individual. But one of the things that he was talking about and along these lines was, well, if you think you're a good executive, why don't you strap like 40 pounds onto your back and try to climb up 10 flights of stairs and then see what your decision making is like when you get to the top. And it kind of got really got me thinking that from my perspective, yes, I have been in the fitness industry for several decades, understand the importance of being fit to improve my quality of life and to be a great example.

6:36Matthew Januszek:But what I didn't really understand is the depth that this really goes when it comes to leadership of any kind, because we're dealing with a normal stress of day to day job. We've got relationships, husbands, wives, we've got children, and everything that goes on around life, dealing with lack of sleep, dealing with poor nutrition. And so to probably put a little bit more of an emphasis on the subject that we're going to talk today, What have you seen are some of the leadership principles from special operations that transfer directly to executives or leaders in business today, would you say? I would say the biggest principle, and by the way, DJ Shipley, I just saw him at NSCA Tactical, great speaker, love everything he says.

7:30But the biggest thing is it's not about what you say, it's about what you do. And that was the biggest thing in the military and those really elite organizations. It's not the individual who stands up there and gives the best speech. It's the individual who do those practices day in and day out. And they see you doing it and they're like, OK, that's the way, you know, you're showing them the way. And I worked with a kind of, you know, high level government agency recently. And some of those folks were talking about, well, you know, I let my people have time to exercise. You know, they have time at lunch to go out and exercise and do these things.

8:10And I asked them, well, what do you do during that time? They're like, well, I stay behind my desk typing. And I'm like, well, how many of your people will go out there and do it? Because they're looking at you. They're like, well, if you're staying in at lunch and you're not going to go out and take some time to get some movement in, then I should be staying behind my desk. And when they changed that behavior and they actually went out and started having walking meetings and things like that, the whole culture of the office shifted. So the biggest thing I would tell people is it's not, you know, it's what you do day in and day out.

8:37The people underneath you are watching you more than you realize.

8:40Matthew Januszek:Would you say that there's any measurable differences from leaders that adopt some of the principles that you teach? But for me, obviously, we're all making decisions all the time every day. And there's different philosophies around decision making. But I suppose what I didn't realize is that when you are under extreme stress, that that part of your brain kind of shuts down to some extent and you're not able to look at the situation from a broad perspective. You narrow in on lesser details in some respects and maybe done over time that you could be setting your team or business in a very different trajectory because of that.

9:25Matthew Januszek:Could you speak a little bit more to that and maybe give some examples in a real extreme environment where there are probably a lot more disastrous consequences? So, you know, to his point and to your point we're talking about is if you've never been conditioned, right? You've never, you know, done a Spartan race or you've never done those burpees or whatever. And I have you do that and I put you in that position of stress, right? All of a sudden it's survival mode. your brain doesn't have the capacity to look out and think and make those decisions. And I'll give you a real world example of that.

10:02So in the military, historically, about 10 % of the casualties that is seen in combat are caused by fratricide, which is actually the friendly force shooting its companions or compatriots, which can be devastating both from a standpoint of you taking that individual out of the fight, but emotionally to that unit as well as, you know, we accidentally shot our own guy. So to get after this, when I was at the U.S. Army Research Institute of Environmental Medicine, they did a study on sleep deprivation and decision making. So they brought individuals in, they had them do this simulated marksmanship course where they had friendly soldiers and enemy soldiers, and you had to engage either the friendly or acknowledge the enemy by a button on the weapon system, right?

10:50That was like a, you know, a gun. And they did that when everybody was well rested, right? Then over the next several days, they only let them sleep four hours a night and they had them sleep deprived for 72 hours, brought them back in and repeated the test. And what do you think they found?

11:11Matthew Januszek:Well, my guess is sleep had quite a negative effect on the results. Exactly. Not surprising. Everybody listening to this is probably like, come on, Nick. Right. So what do they do? They wrongly identified enemy targets, right? So they let some of the enemy targets go, and then they started shooting some of the friendly targets. But here's the most kind of nefarious part about that is they asked the soldiers, how do you think you did compared to the first session versus the second session? And what do you think the soldiers said? The same. You got it, Mo. The same. That's the thing. It was the same.

11:49So they didn't even realize. So they didn't have the cognitive wherewithal to realize when they are sleep deprived, they're hitting the wrong target. So I would point that out to any business leader listening to this or whatever. You can be thinking, hey, I'm hitting what I'm shooting at without even realizing you're not aiming at the right target because you're so sleep deprived, because you're not conditioned for that, because you're not taking care of yourself. There are so many takeaways from that. I mean, one, when I even think about myself, I tend to work long hours most days, but I find myself not as thoughtful or effective later in the evenings, right?

12:29So I tend to do more of my reading. I could comprehend, but I cannot output. So my output isn't good, but my comprehension is still relatively high. So if there's something that needs deep thought, deep insights, deep writing, I typically save that for the morning. Now flip that to the morning, you know, rest is important for me. For me, it's six hours. I know that's not ideal, but five and a half to six hours is a minimum for me. If I can get seven, great. Eight never happens. That's just a reality of life. but I found that I'm most productive after I do a couple of things. The first is I always wake up and I don't get right into a workout.

13:06I have about 30 minutes or an hour where I'm drinking my coffee, doing some reading, going outside, which typically for me involves taking my dog out, doing a little walk, getting some fresh air and getting grounded. Then I'll come in, then I'll do a workout, typically pretty high intensity. After that, for the next three hours, let's just say from like eight till about 10 or 11, for whatever reason is I'm hyper-focused. So I do a lot of my deep work and really important meetings or deep thought or insights in that time. And then it's like, it goes downhill from there. So if anyone listening, if you want to mute me, get me in the morning, I'll be the brightest.

13:45But as the day goes on, I'm just curious to know, is there some science behind that? Or is it just more about how I've conditioned myself with my own repetitive kind of process? I think that the science is very clear in that, you know, your schedule or, you know, your regimen, there's a lot of strength in that, right? Your body finds that rhythm. Now for, I am not a neuroscientist, but I have some colleagues who are, and I think they would say, you know, when they talk about sleep and, you know, some of the schedule, whether you should work out in the afternoon or the morning, again, that can vary based on the individual and kind of, you know, maybe a genetic profile could come to play.

14:28But, you know, if you do your best work on that schedule, and that is what you do day in and day out, I would say the consistency is what I find, you know, with my clients and working with individual. That's where most of the power lies is if I can get them on a consistent schedule, when people are kind of underperforming or really having issues is when their schedule is all over the place, right? Where, you know, they're trying to do some things, like you said, at night. and then the other things they can only do early morning and they're going back and forth. Whereas if you have a consistent schedule like you do, you know, okay, I'm going to get up, I'm going to have that 30 minutes, I'm going to get my workout in, I have this window to get my deep work in, if you will.

15:04And then, you know, I'll schedule my other things. That's beautiful. That's exactly how I would recommend, you know, people do it. And I would say the literature supports that.

15:13Matthew Januszek:What about though, because we live in the real world and when I was listening to this episode, listen to the episode I told you recently and then also researching some of your stuff like you use the word resilience and my guess is that life isn't typical and particularly if you're in the military like suddenly out of nowhere you could have have an incident that you've got to deal with and then maybe you don't end up sleeping for two days and and my guess is that there's somehow you've got to be able to train yourself to have that flexibility and resilience so that if you need to work like Mo at 11 o 'clock at night instead of eight o 'clock in the morning, which he likes to do, you can still be, you know, you can still be performing at your optimal.

15:59Matthew Januszek:So what strategies or techniques have you seen where you're dealing with these elite people where they can't deal with a predictable schedule, they have got to deal where they're not been sleeping, and yet they've still got to be on their best game as much as possible? Cool. No, that's a great point is we all are going to have those days. Everybody does. I have a three year old son. So I have those nights where I don't get my perfect sleep. And so when you're in that scenario, then it's like, OK, what can I do to mitigate that decrement? Well, one is what you do historically is if you're fit, you know, you're in good shape and you regularly get good sleep.

16:42You're not in a chronic deficit. You're going to respond to better to that to that stress. Right. Naturally, you're going to be a more resilient human. The other piece of it is we can look at different tools to use. One of the most potent tools that this is a matcha green tea, but it's caffeine. Right. It's one of the most well-researched ergogenic aids that are out there. So if I know I'm sleep deprived and I have to perform, I can take three to five milligrams per kilogram of body weight of caffeine, which is what the research has shown, to be an effective dose. If I have to do fine motor skills, I limit that to 200 milligrams.

17:18And that's just based off of some marksmanship research in Navy SEALs that showed once you went up to about 300 milligrams, the shock groups loosened up a little bit. So if I'm dealing with a tactical athlete or somebody who might have to engage a target, I do watch kind of the top end of caffeine. But if it's gross motor skills, you can definitely go above that. The other piece of it is, you know, I might look at some sort of nitrate rich supplement like beetroot juice to increase cerebral blood flow. There was some research showing that when you give nitrates before doing things like a serial subtraction test, where you have given a certain number and you have to subtract and look at speed and accuracy, individuals who got nitrates over the placebo were able to do the test more quickly, more accurately.

18:04And a lot of that is because of that cerebral blood flow. Hydration is a big piece of it, too, that you can control.

18:13Matthew Januszek:There was recently a paper where they had individuals dehydrated. So basically they took in one liter of water versus four liters of water and they were exposed to a stressor. It's this 15 minutes kind of common stressor where you have to give a talk in front of three judges. And no matter, you know, whether you run out of stuff to talk about, they tell you just to keep talking. It causes stress in everybody. And what they found was the cortisol response was a lot more pronounced when the individuals were only drank one liter of water versus four liter of water. So that's another variable that I control.

18:42And then one of the ones that's probably getting the most press right now that I love coming out of Dr. Rick Kreider's lab at Texas A &M is creatine monohydrate. If you look at the sleep deprivation studies with creatine monohydrate, it is a very powerful substrate that can even help the brain as a fuel source. Now, the dosing is much higher than what you typically would use. So, for instance, I take about five grams of creatine per day regularly, religiously. If I'm sleep deprived, I take about 25 grams. So it's 0.3 milligrams per kilogram of body weight for sleep deprivation. And combining all those things is kind of how I adjust when I have those bad days.

19:23It's funny that you mentioned that. So agreed on everything you said. A couple episodes ago, Matthew, if you recall, one of my hacks for jet lag that I talked about, I might have been traveling to Australia, Europe, that I said is, when I'm sleep deprived, and I've got a whole routine for international travel, creatine, Nick, 25 grams is what has worked for me over and over again. but you've got to be sleep deprived. And I've noticed that if you're not sleep deprived, it doesn't give you the energy. But if you are sleep deprived, it's got a huge effect in bring that energy level up. And the other interesting thing you brought up sounds like a bit like my pre-workout, but nitric oxide, beet juice is a good natural source.

20:00There's other ways to take that too in caffeine. I'm just curious, if you were to think about a high performance individual, like a lot of people listening on this call, looking to get five, 10 % better. You are a nutrition, you've worked in high stress, high performance environments. what would an ideal day of nutrition look like? What should people be thinking about from the morning till they go to bed and give it all, right? Because Matt and I have different philosophies in nutrition. I think both are right. There's no wrong answers. But from your perspective, walk me through that. There is individual variability.

20:35I have some people that will very big on time-restricted feeding. I have some people that are not. And I think more as we learn about nutrigenomics and we get more information on that, we're going to see that certain diets work well for some individuals and certain diets work better for other individuals. But what that would look like typically in a day is when I wake up, I want to start off with about 16 ounces of water just because a lot of people are a little dehydrated first thing in the morning because you don't try to pound a bunch of water before you go to bed or otherwise that's going to affect the sleep.

21:09um and so i like you know 16 tons of water and then i'm looking for some high quality protein i want 30 grams you know right right out of the gate so that can be eggs that can be um yogurt you know what what have you but but a high quality uh protein uh right out of the gate um the training could be you know after that right depending on you know when you have your exercise

21:35Matthew Januszek:after the exercise, I do like to have some sort of post-workout kind of recovery. Again, that can be a yogurt, a piece of fruit, something simple. It doesn't have to be fancy. At lunch, again, that same sort of thing. I want 30 grams of protein and I want at least three colors on my plate. And sorry, Fruit Loops don't count for anybody listening to this. My kids have tried that. So outside of Fruit Loops, get the colors from your fruits, your vegetables, those other things. And why do I like color? That's the easiest way for the average person to get their phytonutrients, the anthocyanins, to get that color on their plate.

22:13After lunch, there could be a snack in there for an individual, especially if we're looking for an individual trying to preserve muscle mass, another quality protein with a fruit or vegetable. and then you have your dinner meal again a lean protein about you know 30 30 to 40 grams with you know some some fruits some vegetables in there and if I was looking at carbohydrates throughout the day I go my higher carbohydrate meals start out earlier and then progressively as we go through the day that's going to taper down.

22:45Matthew Januszek:To move on from that I want to talk about stress and i know you've done a lot of work with uh ufc and mma fighters about um helping people deal under stress and myself and my family are big um ufc fans and you you know it's interesting to watch some of the guys before they go on and and particularly some of the some of the sort of dagestani fighters how extremely calm they are throughout all of the situations even when they're in some cases, they're under a little bit of pressure or under a little bit of trouble, their ability to stay calm under those situations is quite amazing, really. And I'm sure that's got a lot to do with how they're able to sort of turn around a difficult situation to their advantage.

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23:31Matthew Januszek:What I am aware of, though, is stress is caused by a number of things. Like you mentioned caffeine, and certainly myself, depending on how much caffeine I have, and I've never really measured it like you've suggested and maybe I need to do that but at some point that can impact your ability to deal with stress sometimes you can fly off the handle a little bit too quickly if you've had too much caffeine the other thing that really affects me I over the last few days I went away it was my birthday it was Thanksgiving probably ate a bit too much food that I wouldn't typically eat a little bit too much sugar and again I find that I've got a little bit of a hangover and I think that also affects my ability to deal with stress so so there's a number of things there some that we've talked about which is nutrition the other thing you could talk about in terms of some kind of supplementation but what what have you found when you're training some of these people anything that in particular that really helps them manage stress either before they go into that situation anything that you found as being helpful to get them to do, or when they've, when they're suddenly hit with that situation, how they can best get themselves almost like regrounded so that they can get themselves together and, and, and deal with the job in hand.

24:51As far as stress, I mean, you know, what, what supplementation out there that is kind of benefit and got a lot of good research behind it is ashwagandha. So I've used that with some, some athletes that are kind of have a hard time down regulating. And I have some theories about like explosive, like sprinting athletes who are very fast twitch. I feel like mentally they're, they're, they're wired the same. And so sometimes it's really hard for them to kind of calm down. And so Ashwaganda has got some great research, you know, behind it, you know, 240, 300 milligrams in the evening, taking that can, can help down regulate in terms of the fighter, like for the UFC.

25:30So I work with a guy, Jim Miller. He's got so many fights under his belt. I don't deal with any of that. I just deal with his nutrition and helping him, you know, make weight, which he does every time and stay within a certain, you know, kind of weight. So the weight cut isn't as bad, which I think when you talk about stress on things that you can manage with some of these fighters is, you know, there was a study out of Australia that looked at MMA fighters and found that, you know, cutting 8 % body weight, you know, before the fight, those fighters did better than those that cut 10 % or more.

26:08And so we try to stay within that 8 % window, you know, going into fight week. So you're close to that. So you can get fully rehydrated. Because, you know, there's certainly fighters who do more than that. I have some theories about you can get away with it when you're younger, it gets harder when you get older. But I can't help but think if you're going above that, if you're cutting 12 % of your body weight, if you look at the literature, when it comes to rehydration, in that 24 hours, you're probably and especially since IVs are now illegal, you're probably not going to be hydrated. come fight time.

26:40That's interesting. So I was just talking about process. I'm not as big on MMA as Matthew and his family are. I didn't even realize that they would cut that much weight. I know that they have to make weight, but I didn't realize that there's a whole process before where you're cutting north of 10 % of your weight. Well, there was just an interview with Kayla Harrison, who's phenomenal judoka, who now is fighting and fighting for the championship. And I mean, she gave this, you know, in a public interview, she's cutting 18 % body weight. So she walks away around at 165 and fights at 135. And I mean, she's a lean 165.

27:18I don't know how she does it. I'm a nutritional physiologist. And I'm like, I don't see how somebody as muscular as her can make that weight. But, you know, hats off to her team, because she does it and she performs. So I wouldn't recommend it like that wouldn't be me recommending it. But there are those extremes. And, you know, there are folks who are successful at it. I do, I would worry about the long term consequences, especially hormonally, you know, for some individuals, you know, as the career goes on. But that's definitely one extreme I just read about.

27:54Matthew Januszek:have you just going back to that stress one then is there anything else i know you that's sounds like that's not what you deal with with with some of your athletes on the stress side but is there is there anything that you've seen or any tools and the reason i ask is it is from time to time it becomes a thing that i'm conscious of and um needing to maybe have some whether it's tools or ways to break those patterns where you can just really quickly reset? Because I would imagine in a life or death situation, you certainly want to be thinking with a clear head. You probably already do a lot of this, Matthew, without even realizing it.

28:36I mean, it's perspective, right? It's conditioning. Like you talked about the fighters you particularly talked about are the ones from Dagestan. I've never been to Dagestan, but I imagine that's a hard country to grow up in. So when you grow up in Dagestan and somebody's punching you in the face in the cage for hundreds of thousands of dollars, you're like, this is an easy day. Right. The perspective there is different. So the more you can do challenging things, that's all the military does is, you know, it puts you in more challenging and challenging training environments. So when you get to those situations that, you know, such as warfare, it's not so unusual to be kind of under stress, sleep deprived and have to make decisions because you've done that in training.

29:18So any way that, you know, individuals can find ways to challenge themselves. I mean, that's why these races, I think, are such a great, safe way, like a Spartan race or, you know, something like that, where you get yourself outside of your comfort zone. Um, uh, this Friday, I'm going to do a go ruck, uh, you know, 26.2 mile ruck in Sedona. You know, it's, it's going to be a little uncomfortable. It's going to be a lot of fun. Um, but doing those sorts of things just also, you know, even me, I've, I've done some tough stuff, but I need that thing to kind of hone, you know, to keep the knife sharp, if you will.

29:53And I think we all need that. So do challenging stuff. And, you know, the definition of challenging is going to be different for really fit guys like you and Mo, you know, versus maybe some of the listeners, or maybe some of the listeners, it's a little higher, you know, what have you, but find those things that, you know, you look at that challenge and you're like, I don't know if I can do that, right? And do it. And whether you fail or whether you're successful, you're going to learn from it. And you're going to have that perspective to take forward. Well, look, growth always happens from discomfort.

30:23You don't grow without stressing the body. We've grown up with this notion that stress is a bad thing so much so that we are drugging ourselves as a society to get rid of the stress, but there's bad stress for sure, but so much of stress is actually good. And as a society, we've really taught ourselves to run towards comfort, to run towards couch, not to deal with stress at work, thought that stress at work is a bad thing, think that stress physically is a bad thing. No, it's a good thing because I think when you, to your point, Nick, when you do the hard thing. Everything is perspective. You mentioned fighters from Pakistan and what they've seen and lived through.

31:04One, they're in America, the greatest country in the world. They are getting paid to have fun in a cage, well, not in all cases, but to get beat up in a cage. But it's still a skill. It's an art. It's survival. And that survival instinct is not a bad thing. And when you talk about fighters being in combat, one, I want to thank you for your service, something that Matthew and I have not done, always aspired to be, and I have so much respect for those who have served because less and less of a population, as you probably know, Nick, are actually serving and know what it means to fight for our freedoms and to go defend our country and do the hard thing.

31:41But a lot of your training is not focused because it's meant to be every day. It's meant to get you beyond the point of comfort, beyond the point of waiting to be every day, such that when you do hit those hard times, that then seems normal and that your body and your mind can adapt to it. You know, chronic stress, not so good, right? If you know, day in and day out, you're wired, you feel like, you know, it's fight or flight, but those measured acute exposures to stress and more stress over time, right? Each time it ramps up a little bit. Again, if you look at the military model, when a soldier comes in the army, that's a lot of stress, that basic training, right?

32:19Like they're going from a civilian to that and they get exposed. But when you really look at it, it's not that stressful, but it's measured because that individual has never experienced anything like it. But then after they get through that, that's where you look at the other military courses. They get a little harder. They get a little harder and the levels keep going up. You know, even in special operations, there's levels to that and the different stressors. And because of that, you know, people get exposed to that. And then those individuals that you get out of that training pipeline or that assessment selection are very robust, gritty, resilient individuals that when you throw them in combat, they're going to do quite well.

33:01Matthew Januszek:It's got me thinking about my workout routine. And sometimes I use exercise as a way to switch off my mind, or to collect my thoughts and meditate on ideas, but it's not conscious. I'm not thinking about jumping over some boxes. But you do send me a lot of voice notes when you're running, so it is conscious. You get a lot of messages, and I can hear that you're running. yeah it's it's more i think it's more of a flow state i guess compared to probably what you're saying and i was it just got me thinking about certainly some of the adventure races and most conversation about spartan like that that is definitely different where there there is a lot of decision making under fatigue and i i was i was curious to know like when it comes to physical training how that steps up when it's when it's in the military like it is there a lot more of those combined skills that, that, that happen.

34:00Matthew Januszek:And, and what are your thoughts on that? Should, should we be building in some of those more, um, analytical types of, uh, programs or, or, or training when, when you're doing things? Cause now after I've had this conversation, I'm like, Oh, I need to probably include something in it where I'm having to create, make some big decisions when I'm really, really tired. Yes. You know, first and foremost, like you're doing great in terms of that baseline fitness. And most of the military training is not really exciting in terms of it's your basic fitness stuff, right? It's learning to control your body weight, getting an aerobic base, getting relative strength, all those basic things.

34:43Where it's beneficial that I've seen in some of the units I've served with is to have those training events, like you said, where you've got to make decisions, where you've got to carry things, where you've got to do these sort of challenges that are, there's not a clear cut way to do it, is fun both from an individual standpoint, but then a team building standpoint. It really, you know, builds that camaraderie and that culture when you do hard things together. Again, another thing, you know, the Spartan community has gotten nailed down. And then the last thing I'll throw out there, if you ever want a mental challenge, the unknown distance or the unknown kind of when the event will end, if you ever throw yourself into that, like that, that tool is so powerful.

35:28And I'll give you a quick example. I was, you know, doing the assessment selection when I was getting a ranger regiment and, you know, we did this march and the march was known. The distance was known. The time we needed to meet was known. And that was it. And then at the end of it, you're like, oh, okay, I'm done. and let me put it up. And they just started making us run. And they didn't say how far, they didn't say how long, and we didn't know, right? And I just remember being in my head thinking, how far are we going to, when is this going to stop me? And people quit, guys quit, and we were not running that fast either.

36:00It was, you know, a steady state. It would be an easy run for you, Mo. I think you're a pretty good runner, like, you know, light run, zone two, definitely. But what it was is, it was just like, you know, you start doing that exercise. And I remember, I just had to think in my head. I'm like, you know, no matter what happens, I'm going to die running. I don't care if I drop dead. I stopped. If I don't drop dead, I'm just going to keep going. And I had to kind of come to that in my head to let it go. Or otherwise it would keep spinning going. Are we going to go another hour is another miles, another two miles, another five miles and things like that.

36:31When you don't know the finish line, man, you'll play all sorts of games with yourself. It's a good time. I absolutely love that. What I tell people about long distance running is one, you just go out there and put one foot in front of the other. It's not about speed, but that mental element of it, there's so much that goes through your mind. And when you think through steady state running and not sprints and people say, how do you do it? It's so long. You just go out there and do it. and you feel so much better because of it. And I would tell you that the patience, the stoicness that comes from it is such a learning that I do one long run or one long ride a week.

37:10I do prefer runs over rides if I could do it, but too much long running as I'm getting older has an impact on my body. So I can't do it as often as I like. Yeah, I'm curious too, speaking about running and things like VO2 max and endurance, When I look at elite soldiers, right, Rangers, SEAL team, Delta teams, as kids we grew up thinking that it's these massive, muscled up people, like men or women. But really, when you meet them and you get to spend time with them, they're not that. They are actually lean. They're fit. They look like gazelles. They're efficient. They look like they can run forever.

37:50And walk me through that physicality of it. What is it about, like, what type of physical fitness does an elite soldier need to be in? Because I think as civilians, we can learn a lot from that. Yeah, you're right. You think of kind of the movies. You think of, you know, I grew up in the 80s, right? So, you know, Schwarzenegger, Commando, that's what you think of as a soldier. Rambo, right. And that big, you know, muscle isn't really beneficial necessarily on the battlefield because you've got to carry your own engine. Um, so a phrase that, you know, we would have a ranger regiment when we were looking at kind of building this, you know, what, what does the model look like in terms of physical training would be a supreme generalist.

38:34And what that means is you don't have any weak, you know, weaknesses in terms of endurance or strength. um so so for instance one of the most impressive individuals i worked with um who's who's a fitness you know really into fitness at regimen great great ranger you know had about a 500 pound deadlift which again if you look at like power lifting that's not elite that that's beyond you know that's not elite but he could run a 12 minute two mile which again if you look at running mode like you know like that's not you know that okay 12 minute two mile that's pretty good but if you throw put a 500 pound deadlift with a 12 minute two mile that's hard now you've got somebody who they're going to be able to pick up anything you want on that on that battlefield including you know a fellow uh you know soldier ranger what have you and they're going to have the aerobic capacity to get off that x right um so so that kind of fitness i think you see is like people who have a really good relative fitness who are going to be uh you know kind of like you said a gazelle and and to look at especially with the modern battlefield and this is where a lot of discussion with like drone warfare and things like that looking at what's going on in ukraine you could be able to run you better have agility you know to be able to crawl climb do all these sort of things so i think it's more kind of that like gazelle gymnast would be more the ideal you know soldier or warfighter um then sadly commando or rambo you know we started off talking about this

40:03Matthew Januszek:this mental part and the stress and any i i can't help thinking that the some of the athletes even though they may not necessarily be physically superior that there's got to be this overriding mental aspect where you you gave the example of the guys that are in the race and suddenly they're told it's not over some people just dropped out and other people like yourself are like okay well I'm going to run until I die. Like having that switch in your brain must have a massive impact on, on those people that, that, that succeed in this realm. And I, and I just wondered if that is the case, like, can you, in your experiences, have you found that that's something that you can teach?

40:43Yeah. I think it's, I think it's, you know, trainable because we, because we all, you know, I didn't come out of my, you know, my mother's womb like that. I don't think that's, I think that was from, uh, there's, there's probably a, you know, there's definitely probably some genetic component resilience. And I'll leave that for the, again, the neuroscientists and psychologists. But if you look at, you know, even where, you know, you guys are at or whatever, like, it's through experience, it's through falling down and getting back up. And same with the military, everybody kind of comes in at this starting point.

41:12You know, we're all kind of, you know, for lack of a better word, maybe a little soft coming in. And then it's built up over time. But, you know, again, what prepared me the most for the military was sports, was exercise, was, you know, my football coaches talked to me a lot, you know, just as harsh as any instructor in the military. So that, you know, having somebody yell at me, I was used to that by the time I got there. And I think that's a lot of it. And hopefully we don't lose that with, you know, this youth is, you know, playing sports, getting into exercise, getting all that, that's going to hone that resilience over time.

41:46So whether they want to use that superpower to go in the military and serve, or they want to go out in business and lead a great organization, either way, that can happen over time and you can become more resilient and you can become more gritty. Well, Nick, it's been great to have you on. Learned a lot today. One of the things that we'd like to do to wrap up our final episode, our episode of Lifts rather, is a final takeaway. So Matthew, I'd love to start with you. Do you have any key takeaways from this episode?

42:17Matthew Januszek:Yeah, I have. And it helped to prepare for this and get my head around. I guess you don't always appreciate the importance of what you do in your job or as a leader with fitness. As I said, mine was more about just feeling good about myself and maybe because I'm selling a fitness product that i at least want to look the part but i and you know when as i got into it i really recognized some of the under the surface skills and behaviors that can help me certainly stay on on top as i get a little bit older and i was 55 last week um but but i i think also in the type of training that i do and i now after a conversation i think i definitely need to search out something that either artificially creates that race where you think you're finished and you're not and and how to deal with that sort of you know become resilient when when you're facing this sort of never never ending treadmill although being in business can sometimes be like that I would say and then the second thing is is to find something that can allow me to develop skills when I'm fatigued so whether that's accuracy I know one of the we work with Ivan Ivanhoff who who trains a lot of professional wrestlers and and so one of the things he does he's really burns you out with a Bulgarian bag and then gets you to to strike a bag to see if you're if you're very accurate at punching and so I thought that was that was quite a nice nice sort of drill that I could put through my mind but I think it's trying to incorporate something in my training where I'm combining a mental aspect or mental skill with or during the time when I'm quite fatigued.

44:12Matthew Januszek:And I think maybe that'll help. Nick, what would you say is a couple of either sort of takeaways that we should probably give some more thoughts here after our conversation with you today? Yes. For a lot of folks, it's just mastering the basics, right? Getting the sleep down, getting the nutrition down, making sure you're hydrated. And then, yeah, finding those challenges i love it that you're going to commit you know matthew and go go find those challenges if anybody's you know up for a challenge i'm going to be doing the baton death march it's a marathon march in new mexico and uh and it'll be in march 2026 uh myself and a navy seal buddy shane constat will be out there if anybody wants to join us we'll we'll be doing it so you know sign up let me know message me um what is it what is what is that out there what what is just by the way like what what is that what kind of distance is it like the fact that it's called a death march it can't be a few miles yeah it's 26.2 miles in new mexico uh with a 30 pound ruck so uh so so again matthew you're welcome to join i'd love for you to have it yell on our team and then anybody listening to this anybody in the lives community uh want to join us uh you know come on out if you need that that challenge we'll have to talk about that math if you do it i'll do it.

45:33I'm in. It's funny you say that because I remember talking about Joe DeSena and Spartan. Spartan was actually called the death race. Originally, he had something called the death race up in Vermont and then hired a marketing firm. I don't know if she paid probably too much to say that. Maybe not a good idea if you want to go mass market. So then came up with the name Spartan. For me, the takeaway is around probably a couple of things. The first is simple execution. Don't overcomplicate it. Things you talked about, waking up, hydration, eating clean food, focusing on three colors over lunch. Make sure you have three colors on your plate.

46:08And then simple supplementation, creatine, something to improve your electric oxide, the protein, and so on. But then it's really about discipline and really doing the same thing, doing some things where you don't have to think, where it just seems natural. You're getting your body in a flow state so that when you do go off course, it doesn't feel all that bad. And then the third one, I would say it's getting yourself out of your comfort zone. Do something that is uncomfortable and resist the urge to just go into this level of constant comfort that we are, you know, for instance, I, we're getting to wintertime here.

46:53I love to run. I love to go outside. I love the cold, bring on the snow, bring on the early mornings. Like, I just love that. And I, because I know when I finish it, I feel so much better and I'm thriving the stillness. No one else is out there, right? I'm the only one out there and I'm in a very highly productive part of, I live in the DC area, a lot of highly productive people here. And then you see that other person with the lamp on and you're like, man, that guy's doing it, that woman's doing it. And you just feel incredible. So I challenge everyone to, I think, don't overcomplicate nutrition or sleep or any other things.

47:30I would say then simple nutrition, discipline, and then challenge yourself to do something hard every day that gets out of your comfort zone.

47:42Matthew Januszek:Well, look, that's it, Nick. Thank you so much for joining us. I'm definitely going to give some thought to this death race. I need to figure out what 26 miles of walking with a backpack on is actually like. You could do it. You could do it. But if not, thanks very much for joining us today. And I hope you've enjoyed this episode. A little bit different from normal. Definitely an inspiring one. And if you have enjoyed this, said, like, we do have a lot of people listening to the podcast, but if you do enjoy anything that you've got from here, if you could do us a favor and just like a subscriber, even leave a comment, what that helps us to do is it triggers the algorithm and it allows us to get this out to more people, which ensures that we can bring on wonderful guests like Nick on a regular basis.

48:30Matthew Januszek:So thanks again for everyone for listening and speak to you next week.

48:40Thank you.

From the publisher

Welcome to the latest episode of L.I.F.T.S, your bite-sized dose of the Latest Industry Fitness Trends and Stories.

In this episode, hosts Matthew Januszek and Mohammed Iqbal are joined by Dr. Nick Barringer, a former U.S. Army performance leader, tactical nutrition expert, and human performance consultant, to explore how tactical training principles translate to success in business, leadership, and everyday life.

With over two decades of experience working with elite military units, high-performance athletes, and executive leaders, Nick breaks down what it really takes to perform under pressure: from decision-making while sleep-deprived, to building resilience, discipline, and sustainable habits that carry over far beyond the battlefield.

This conversation bridges the worlds of fitness, leadership, mindset, and strategy, offering practical insights that entrepreneurs, executives, and high performers can apply immediately.

In this episode, we cover:

  • Why executives should think of themselves as "corporate athletes."
  • How sleep deprivation impacts decision-making and performance.
  • Tactical principles that improve leadership under pressure.
  • The role of fitness and conditioning in mental resilience.
  • Nutrition and supplementation strategies for high-stress environments.
  • What elite military training can teach us about business and life.
  • Why embracing discomfort is essential for long-term growth.

👉 To learn more about Nick Barringer, click here:

https://drnickbarringer.com/

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0:00 – Introduction
2:33 – Tactical Performance vs Executive Leadership
9:05 – Sleep Deprivation & Decision Making
13:25 – Consistency & Daily Schedule
18:52 – Creatine, Caffeine & Nitrates
20:02 – Ideal Day of Nutrition
24:19 – Managing Stress & UFC Fighters
33:52 – Mental Toughness Under Fatigue
37:32 – Elite Soldier Physical Standards
43:53 – Final Takeaways

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