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Behind The Shield

Dr Marc Bubbs and Da Rulk (Sports Nutrition, Feeding the Tactical Athlete and Sleep) - Episode 1160

Behind The Shield

James Geering

Health & Fitness, Mental Health, Fitness

4.9667 Ratings

🗓️ 9 November 2025

⏱️ 87 minutes

🧾️ Download transcript

Summary

Dr Marc Bubbs ND, MSc, CISSN, CSCS is a naturopathic doctor, performance nutrition lead for Canada Basketball, and performance nutrition consultant for a portfolio of professional and Olympic athletes. Marc is the author of the best-selling book Peak: The New Science of Athletic Performance That Is Revolutionizing Sports. Marc also hosts The Performance Nutrition Podcast, connecting listeners with world-leading experts in human performance and health, and regularly speaks at health, fitness, and medical conferences across North America, the UK, and Europe. Marc practices in both Toronto, Canada, and London, England. Marc is also the co-founder of ProBio Nutrition.

Da Rulk (Joseph Sakoda) is a performance coach with over 30 years of experience in functional movement and elite performance training. His clients include first responders, military units, professional athletes, and Hollywood stunt teams. His Raw Functional Training (RFT®) method is used globally to develop movement efficiency, resilience, and strength under pressure. Known for his work with elite military units, tactical personnel, and pro athletes, Da Rulk’s mission is simple but powerful: train for real life. His RFT system focuses on primal movement, mobility, and total-body control for foundations that align seamlessly with the versatility and efficiency of load based training.

https://www.probionutrition.com/en

Transcript

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0:00.0

Welcome to the Behind the Shield podcast. As always, my name's James Gearing, and this week it is my

0:03.9

absolute honor to welcome back onto the show, De Rolk, and to welcome for the first time, Dr. Mark

0:10.7

Bubbs. Now, Mark is a performance nutritionist, author, speaker, and consultant for a portfolio

0:18.1

of professional and Olympic athletes and Fortune 100 companies.

0:23.2

Rolk is a movement specialist who has worked with multiple agencies, including the city of Anaheim,

0:29.2

where I used to work. So in this conversation, we discuss a host of topics. From Mark's journey

0:35.5

into the world of nutrition, taking care of our youth athletes,

0:40.4

nutrition and elite sports performance, the power of sleep, working with tactical athletes,

0:47.6

the reason he formulated his new product pro bio, and so much more. Now with that being said, after we had finished the recording,

0:56.4

Mark was able to get ProBio put on GovX. So the easiest way for you to find that,

1:02.2

if that's something that you're looking for, is to go to GovX, register as a first responder,

1:08.0

a military member, emergency medicine, etc.

1:16.6

Where you'll get 25% off plus an additional 10% off and free shipping with subscription.

1:22.1

Now before we get to this incredible conversation, as I say every week, please just take a moment.

1:24.6

Go to whichever app you listen to this on.

1:29.1

Subscribe to the show, leave feedback and leave a rating.

1:35.8

Every single five-star rating truly does elevate this podcast, therefore making it easier for others to find. And this is a free library of well over 1,100 episodes now. So all I ask in return is that you help share these incredible men and women's stories

1:48.7

so I can get them to every single person on planet Earth who needs to hear them.

1:54.6

So with that being said, I introduce to you Dr. Mark Bubbs and D'Rolk, I want to start by saying, welcome for the first time, Bubbs,

2:25.8

onto the Behind the Shield podcast. And Rolk, welcome back.

2:29.6

Good to be here, brother. Appreciate it. Appreciate it. Thank you.

2:33.3

So you're on very different parts of planet Earth at the moment. So, Bob, just start with you. Where are we finding you this afternoon? So I'm a Canadian, but I'm not in Canada. I'm over here in the UK, just outside of London. Brilliant. I'm English and I'm in America, so we're all over the place at the moment. Rob, what about you? So Cal, as you know, James, out here in Southern California. So with the extreme harsh conditions that we have to deal with on this side of the planet. Yeah, it's brutal. We're having a cold spell coming. It's going to be down in the 50s. Oh, man. It was a little overcast today, so I might have to put a hoodie on. So that's how we... It's a tough life. All right. Well, Rog, obviously, we've done a couple of discussions already. So I want to spend a little bit of time with Bubbs just kind of getting his back story. And then we'll start bringing you in as we speak sports

...

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