Dr. Marc Bubbs

The Performance Nutrition Podcast

Health EN ↓ 226 episodes

Connecting you with world-leading experts in performance nutrition and the latest evidence-based research to level up your team sport, endurance, physique and weight-making sport nutrition. The Performance Nutrition Podcast brings you in-depth conversational interviews with expert PhDs, doctors, athletes, researchers, strength and coaches to share their research, insights, and stories to inform your practice and take your game to the next level.

Author

Dr. Marc Bubbs

Category

Health

Latest episode

Jul 2, 2026

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Episodes

S2E33: Fueling Endurance Athletes & Periodizing Body Composition w Dr. Trent Stellingwerff PhD 21.09.2018

Season 2 Episode #33, Dr. Bubbs interviews renowned physiologist Dr. Trent Stellingwerff, PhD to discuss Eliud Kipchoge's record-breaking performance at the Berlin Marathon and the fueling strategies of elite marathoners. He also talks about the role of glycogen availability as a training regulator and the purposeful application of low carb availability training sessions in elite performers. As we...

S2E32: Sport Psychology, Energy Management & The Champion’s Mindset w Dr. Peter Jensen PhD 13.09.2018

Season 2 Episode #32, Dr. Bubbs interviews renowned sport psychologist Dr. Peter Jensen PhD to discuss his first experiences working at the Olympic Games, what stood out and how sport psychology has evolved over the last three decades. He’ll also discuss the key role of energy management in elite performance: what it is, why it’s important and how it plays a fundamental role in your ability to rea...

S2E31: Nutritional Strategies for Elite Bodybuilders & Building Muscle w Dr. Andrew Chappell PhD 07.09.2018

Season 2 Episode #31, Dr. Bubbs interviews nutrition expert and 5x British Bodybuilding champion Dr. Andrew Chappell, PhD to discuss his research in elite male and female bodybuilders. In this episode, Andrew will discuss the overall energy intake and macro breakdown of elite bodybuilders: how much protein they consume, key differences in carb consumptions between bodybuilders who place in the top...

S2E30: Muscle Science: Training to Failure, Testosterone & The Soy Controversy w/ Dr. Cody Haun PhD 24.08.2018

Season 2 Episode #30, Dr. Bubbs sits down with hypertrophy and muscle science expert Dr. Cody Haun PhD. In this episode, Cody will discuss a few of his recent papers, starting with recovery responses to light versus heavy resistance exercise in young men and unpacking what's happening at the molecular level between light and heavy loads. Next, Cody shares the results and key findings from his rese...

S2E29: Seasonal Changes in Body Composition in Collegiate Football Players w Dr. Ross Andersen, PhD 09.08.2018

Season 2 Episode #29, Dr. Bubbs interviews Professor Ross Andersen PhD, kinesiologist and researcher at McGill University in Montreal to discuss his recent work on seasonal changes in body composition in collegiate football and hockey players. Dr. Ross discusses differences in pre-season to end of season changes in lean mass and fat mass, shares his experiences from working in the NFL with the Phi...

S2E28: IBS - Does It Exist? Insights, Testing & Solutions w/ Ben Brown ND 26.07.2018

Season 2 Episode #28, Dr. Bubbs sits down with Ben Brown ,ND to talk about IBS and pose the question “Does It Really Exist?” Ben will outline the classic definition for IBS and why many experts believe now is the time to rethink the classification of IBS as a syndrome. He’ll then discuss the true root causes of irritable bowel-like symptoms: functional imbalances, lifestyle and environmental facto...

S2E27: The Microbiome, Gut-Brain Axis & How To Build A Healthy Gut w Dr. Miguel Mateas PhD 20.07.2018

In Season 2 Episode #27, Dr. Bubbs interviews Dr. Miguel Mateas, PhD to talk about the gut microbiome and the implications on the gut-brain axis. In this episode, Miguel discusses the dynamic ecosystem that makes up the gut, how specific bacteria are attracted to certain conditions and the impact of processed food on the gut microbiota, as well as how exercise impacts gut microbial diversity (incl...

S2E26: Athlete Chronotypes: Performance & Coaching Implications w Dr. Michele Lastella PhD 15.07.2018

Season 2 Episode 28, Dr. Bubbs interviews Dr. Michele Lastella PhD to talk chronotypes and athletes. In this episode, Dr. Michele discusses the three main chronotypes and how athlete chronotype can impact performance. He also shares how athletes participating in a sport which suits their chronotype (e.g. morning type participating in a morning sport) are more likely to train and perform optimally,...

S2E25: Impacts of Keto Diet on CrossFit Performance & Body Comp w Dr. Wes Kephart PhD 06.07.2018

In Season 2 Episode #25, Dr. Bubbs interviews Dr. Wes Kephart, PhD to discuss his recent paper on Body Composition, Blood Parameters, 
and Performance Metrics in CrossFit Trainees. We’ve got all the buzz words teed up for this episode as Wes dives into the rationale and set-up of his study on CrossFitters and Keto diets, impacts the 12-week nutrition strategy had on the their performance (e.g. 1-R...

S2E24: Sprinters, Hockey Players & Relative Energy Deficiency in Sport (RED-S) w/ Jen Sygo MSc RD 29.06.2018

Season 2 Episode #24, Dr. Bubbs interviews Jen Sygo RD MS, Performance Nutritionist for the NBA’s Toronto Raptors and Athletics Canada to talk relative energy deficiency in sport (RED-S). In this episode, Jen will discuss her recent study on REDS in female sprinters, share primary red flag symptoms and secondary ones to watch out for, and talk about the common misconception of low energy availabil...

S2E23: Workload Monitoring & Player Development in the NBA w/ Dr. Ramsey Nijem DSc 21.06.2018

Season 2 Episode #23, Dr. Bubbs interviews Ramsey Nijem MS, the Head Strength and Conditioning Coach for the NBA’s Sacramento Kings. In this episode, Ramsey will discuss workload monitoring in team sport, the acute to chronic ratio and the relationship that exists between workload, fatigue, and injury. He’ll share his insights on the fine balance between pushing athletes too hard and not hard enou...

S2E22: Blood Tests & Biomarkers for Health & Longevity w/ Dr. Richard Maurer ND 15.06.2018

Season 2 Episode #22, Dr. Bubbs interviews Dr. Richard Maurer ND, author of The Blood Code to talk about the top blood tests and biomarkers for health and longevity. In this episode, Dr. Maurer discusses measures of insulin resistance and how it may impact your health and nutrition choices, the value of the Tg/HDL ratio in heart health and how it compares to more conventional markers, thyroid mark...

S2E21: Nutrition for Figure Competition Prep and Getting Lean w/ Alicia Bell 09.06.2018

Season 2 Episode #21, Dr. Bubbs chats with figure competitor, fitness model and former track and field coach Alicia Bell to discuss prep for figure competition. In this episode, Alicia talks nutrition, training and supplement strategies she uses to beat the competition: how far out from competition she starts dieting, her macro splits and percentage calorie drops from week to week. She discusses h...

S2E20: Flow-State, The Athletic Brain & Overcoming Over-Thinking w Amit Katwala 01.06.2018

Season 2 Episode #20, Dr. Bubbs interviews award-winning writer Amit Katwala to discuss how the athletic brain impacts performance. In this episode, Amit discusses how the art of anticipation and high-speed decision making sets elite athlete’s brains apart from the rest of us, describes what happens in the brain when athletes overthink during competition, reviews the connection between brain neuro...

S2E19: Periodization, Concurrent Training & Nutrition for Powerlifters w Greg Nuckols, MS 24.05.2018

Season 2 Episode #19, Dr. Bubbs sits down with Greg Nuckols MSc, exercise physiologist with special research interest in strength development and former world-record holding powerlifter. In this episode, Greg talks about the history and theory of periodization, concurrent training, the interference effect and factors to consider for strength and team sport athletes.   FOLLOW DR BUBBS: Instagram: h...

S2E18: Fasting Glucose, Inflammation, Keto & HIIT w Alessandro Ferretti, MS 18.05.2018

Season 2 Episode #18, Dr. Bubbs sits down with Alessandro Ferretti to discuss the role of fasted morning glucose as a marker for health, recovery and longevity. Alessandro discusses his recent research with Dr. Daniel Plews and Prof Paul Laursen on the effects of a ketogenic diet on HIIT training performance and the keys of how to interpret them into your practice.   FOLLOW DR BUBBS: Instagram: ht...

S2E17: High-Dose Omega-3, CBD Oil & Concussions w/ Dr. Michael Lewis MD 10.05.2018

In Season 2 Episode #17, Dr. Bubbs interviews Dr. Michael Lewis, MD to discuss the applications of high-dose omega-3 supplementation in concussions. In this episode, Dr. Lewis reviews the pathophysiology of concussion and how it unfolds in two distinct phases, which athletes are at the highest risk of concussion, his research into the use of high-dose omega-3 for concussion in the military, protoc...

S2E16: Dietary Supplements & The High Performance Athlete w/ Prof. Stuart Phillips PhD 26.04.2018

In Season 2 Episode #16, Dr. Bubbs interviews world expert Professor Stuart Phillips, PhD to talk about his contribution to the International Olympic Committee's (IOC) recent research and consensus statement on the use of supplements in sport. In this episode, Stu discusses athlete rationale and motives for using supplements, caffeine dosing strategies for endurance based exercise versus repeated...

S2E15: Analytics, Monitoring & The 24-Hour Athlete w Jordan Webb 19.04.2018

In Season 2 Episode #15, Dr. Bubbs sits down with strength coach and head of sport science at The University of Notre-Dame Jordan Webb. In this episode, Jordan shares his experiences working in professional sport in the NBA, NFL, MLS as well as his current role with men’s soccer and women’s rowing. Jordan talks pros and cons of athlete monitoring, integrating technology and analytics into a system...

S2E14: Energy Balance, Carb Availability & Micronutrients for Performance W Kelly Anne Erdman MS 12.04.2018

In Season 2 Episode #14, Dr. Bubbs interviews former Olympian and nutrition expert Kelly Anne Erdman, MS of the Canadian Sport Institute in Calgary to talk Nutrition and Athletic Performance. In this episode, Kelly Anne dives into the key role of energy balance and availability, factors that impact energy availability, the crucial role of carbohydrates in high-intensity exercise, glycogen’s direct...

S2E13: The Opioid Epidemic, Meditation & Managing Chronic Pain w Dr. Abhimanyu Sud MD 05.04.2018

In Season 2 Episode #13, Dr. Bubbs sits down with expert Dr. Abhimanyu Sud, MD to talk about managing chronic pain and today’s opiod crisis. In this episode, Dr. Sud will share staggering statistics on the scope and intensity of today’s opioid epidemic, what’s driving the opioid crisis, the research evidence supporting the use of opioids for treating long-term pain, as well as the impact of opioid...

S2E12: Bodyweight Training & Overcoming Gravity w/ Dr. Steven Low DPT 31.03.2018

In Season 2 Episode #12, Dr. Bubbs sits down with movement expert Dr. Steven Low, DPT to talk bodyweight training. Over the past decade gymnastic-based training has surged in popularity and in this episode, Dr. Low will discuss the principles of bodyweight training, exercise progressions and training frequency for beginners, intermediate and advanced, how to overcome roadblocks and plateaus in bod...

S2E11: Assessing Body Composition, Performance Metrics & Biomarkers w/ Dr. Shawn Arent PhD 21.03.2018

In Season 2 Episode #11, Dr. Bubbs interviews Dr. Shawn Arent PhD, Director of the Center for Health & Human Performance at Rutgers University. Shawn dives into why body composition testing is important for athletes, compares DEXA/Bodpod/BIA/Calipers, and talks about the importance of consistency and tracking. He also discusses the use of performance metrics to assess athlete development and then...

S2E10: How To Apply Sleep Science Into Practice With Athletes w Dr. Cheri Mah MD 15.03.2018

In Season 2 Episode #10, Dr. Bubbs interviews world-renowned sleep expert Cheri Mah, MD, consultant to professional sports teams in all four major leagues. In this episode Cheri discusses the physiology of sleep, her early research on sleep in collegiate athletes, impacts of jet lag and crossing time zones, why pro baseball teams are sleeping in during spring training, the infamous NBA nap and her...

S2E9: The Impacts of Caffeine On Sleep & Circadian Rhythms in Athletes w Dr. Ian Dunican, PhD 09.03.2018

In Season 2 Episode #9, Dr. Bubbs interviews Dr. Ian Dunican, PhD to talk about the use of caffeine in pro sport and how it impacts sleep duration and efficiency. Ian shares his insights on caffeine use and habits of athletes, how caffeine use impacts sleep on game days, the fact many athletes are unaware of the amount of caffeine they consume overall, as well as his research on jet lag and sleep...

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