Tag: Sports Nutrition

#580: Sodium Bicarbonate for Sports Performance – Prof. Lewis Gough

Listen Here: For a full list of apps, go here. Or simply search “Sigma Nutrition” in your app of choice. ▶ Play episode Loads episode player on click Listen to this episode on LibSyn Introduction Sodium bicarbonate is one of the most consistently supported ergogenic aids in sports nutrition research, yet its underlying mechanisms and […]

#573: A Philosophy of Elite Performance Nutrition – Daniel Davey

Listen Here: For a full list of apps, go here. Or simply search “Sigma Nutrition” in your app of choice.Or listen directly on the Sigma website here. Introduction In this episode, performance nutritionist Daniel Davey discusses how his approach to elite sports nutrition has evolved over his career. Davey reflects on his decade working with […]

#546: Professional Standards & Scope of Practice for Nutrition Professionals  – Alex Thomas

Listen Here: For a full list of apps, go here. Or simply search “Sigma Nutrition” in your app of choice.Or listen directly on the Sigma website here. Introduction Navigating the complex and often underemphasized requirements of professional standards, legal considerations, and insurance can be challenging for sports nutrition practitioners and personal trainers. Many professionals, especially […]

#545: Carbohydrate Metabolism, Performance & Metabolic Health – Prof. Javier Gonzalez

Listen Here: For a full list of apps, go here. Or simply search “Sigma Nutrition” in your app of choice.Or listen directly on the Sigma website here. Introduction Carbohydrate metabolism and metabolic health have become central themes in the science of nutrition, with questions about fuel utilization, the impact of different diets, and the potential […]

#542: Nutrients for Cognitive Performance in Sports – Prof. Shawn Arent, PhD

Listen Here: For a full list of apps, go here. Or simply search “Sigma Nutrition” in your app of choice.Or listen directly on the Sigma website here. Introduction In the world of sports nutrition, understanding how different supplements and nutrients impact not just physical performance but also cognitive function is rapidly gaining traction. Athletes are […]

#508: Why Athletes Can Achieve High Performance During an Energy Deficit – Jose Areta, PhD

Although severe energy deficiency can impair physical capacity, it’s noteworthy that humans can enhance aerobic fitness and strength even in the presence of significant energy deficits. Strikingly, many elite athletes compete at the highest levels despite displaying evident signs of energy deficiency. To discuss some potential reasons for this ability to maintain peak physical performance while suppressing energetically demanding physiological traits, researcher Dr. Jose Areta of LJMU is on the podcast to discuss his work in this area.

#487: Weight Cutting in Combat Sports – Jordan Sullivan

To discuss the science, practical application and dangers of weight cutting strategies, performance dietitian Jordan Sullivan is on the podcast. Jordan has been the performance dietitian for several years to Israel Adesanya, Alexander Volkanovski, Leon Edwards, Dan Hooker, Kai Kara-France, and many other well-known names.

#467: Iron Issues in Athletes – Prof. Pete Peeling

In this episode, Professor Pete Peeling of the University of Western Australia discusses the role of iron in performance, iron deficiency in athletes, the impact of exercise-induced inflammation, and other important issues.

#455: Jill Joyce, PhD – Improving the Diets of Tactical Populations

The term ‘tactical populations’ has been applied to those working in law enforcement, fire, first responders, and military. In this episode we look at both the theoretical and pragmatic realities of improving diet and health in firefighters and some other tactical populations.

#454: Eric Helms, PhD – Plant or Animal Protein: Rethinking Protein & Muscle

In this episode we explore some important points that are often neglected. Is MPS as reliable as we assume? Does the amino acid profile tell us everything about the anabolic effect of a protein? Does dose and timing matter as much as we think? How does the picture change when we look at whole foods or mixed meals?

#374: How to Plan a Fighter’s Diet

Buy the book: Making Weight – The Ultimate Science Based Guide to Cutting Weight for Combat SportsEpisode Information In this episode Danny becomes the interviewee, as he is interviewed by sports dietitian and owner of The Fight Dietitian, Jordan Sullivan RD. Jordan oversees the diet of several UFC athletes, including champions Israel Adesanya and Alexander […]

#362: Alistair Monteyne – Impact of Mycoprotein & Vegan Diets on Muscle Protein Synthesis

Listen on these AppsPodcast TranscriptsGuest Information Alistair Monteyne Alistair Monteyne is the lead author on some recent RCTs examining the impact of mycoprotein on muscle protein synthesis. Alistair is currently a PhD student at the University of Exeter, and has a MSc. in Sport and Exercise Nutrition from Loughborough University.In this episode we discuss: What […]

#357: Nicky Keay, MB BChir – Female Athletes: Hormones, Energy Availability & the Menstrual Cycle

Listen on these AppsPodcast TranscriptsGuest Information Nicky Keay MB BChir, MRCP Dr Nicky Keay is a medical doctor (MB BChir, MRCP) with specific training in endocrinology. She has published related to female athlete hormone profiling, energy availability, and relative energy deficiency in sport (RED-S). As a Research Fellow at St Thomas’ Hospital, she was part […]

#330: Eric Trexler, PhD – Antioxidants, Oxidative Stress & Exercise Adaptations

Guest Information Eric Trexler, PhD Eric Trexler is Director of Education at Stronger By Science, where he co-hosts the SBS podcast. He also is one of the four contributors to the MASS Research Review. Eric has a prolific background in exercise science research, with more than 30 publications to his name by the time he […]

#282: Louise Burke, PhD – Project Supernova: The Science of Fuelling Elite Athletes

Guest BioLouise Burke, PhD Professor Louise Burke has been one of the most highly respected and accomplished sports nutrition researchers over several decades. She has been the head of sports nutrition at the Australian Institute of Sport (AIS) for nearly 30 years, publishing a vast number of important, novel and high-quality papers in the sports […]

#280: Kirsty Elliot-Sale, PhD – Energy Availability, Menstrual Disorders & RED-S

Guest BioKirsty Elliot-Sale, PhD Dr Elliott-Sale is an associate professor in female physiology at Nottingham Trent University. There, she is also the Head of the Musculoskeletal Physiology Research Group. She is also responsible for teaching on the undergraduate and postgraduate Sport Science degree programmes. Dr Elliott-Sale teaches mainly in the areas of Exercise Physiology and […]

SNR #265: Lessons From Experts – Prediabetes, Autophagy, Relative Energy Deficiency and Carbohydrate Periodization

About This EpisodeThe Sigma Live Sessions include four topic discussions on: 1) Dietary Interventions in Prediabetes & Diabetes – Nicola Guess, PhD 2) Fuelling Elite Sport Performance, Carbohydrate Periodization & Pracitioner Experiences – James Morton, PhD 3) Relative Energy Deficiency & Female Athlete Triad – Kirsty Elliot-Sale, PhD 4) Fasting for Health? Longevity, Autophagy and […]

SNR #246: Jamie Pugh, PhD – Gastrointestinal Symptoms in Athletes

Share this episode on Facebook How To Listen Listen on Spotify Listen on iTunes (iOS) Listen on Stitcher Get podcast RSS feed Click Here to Get Podcast Transcripts Guest BioJamie Pugh, PhD Jamie Pugh is a post-doctoral research at Liverpool John Moores University. During his PhD and current work, he has looked at the effect […]

SNR #240: Erica Goldstein, RD – Exercise-Associated Anemia, Hepcidin Activity & Implications for Athletes

Guest BioErica Goldstein, RD, MS Erica is a registered dietitian, currently completing a PhD at the University of Central Florida in Orlando. Previously she was employed as a Clinical and Sports Dietitian at the Mayo Clinic in Jacksonville, Florida, where Erica provided individual sports nutrition consultation to endurance and team sport athletes, in addition to providing care and […]

SNR #234: Lachlan Mitchell, RD – Natural Bodybuilding Research & Muscle Dysmorphia

Share this episode on Facebook How To Listen Listen on Spotify Listen on iTunes (iOS) Listen on Stitcher Get podcast RSS feed Click Here to Get Podcast Transcripts Guest BioLachlan Mitchell, RD, PhD Candidate As a qualified dietitian Lachlan has worked both in the public and private health systems at Hervey Bay Hospital, Hunter New […]

#230: Stephan van Vliet, PhD – Effect of Whole Foods on the Anabolic Response, Muscle Function & Metabolism

Guest BioStephan van Vliet, PhD Stephan is a PostDoc researcher in the Center for Human Nutrition at Washington University School of Medicine. Stephan’s research is focused on muscle metabolism. Stephan completed his PhD research at the University of Illinois, examining the regulation of postprandial protein metabolism after food ingestion and exercise. In This Episode We Discuss Do […]

SNR #229: Sophie Killer, PhD – Fuelling Olympic Track & Field Athletes

Share this episode on Facebook How To Listen Listen on Spotify Listen on iTunes (iOS) Listen on Stitcher Get podcast RSS feed Click Here to Get Podcast Transcripts Guest BioSophie Killer, PhD Dr Sophie Killer is a senior member of the English Institute of Sport Performance Nutrition Team where she’s worked as the Lead Performance […]

Protein: Common Questions Answered

Dr. Arthur Lynch has a PhD in muscle physiology from the University of Limerick, Ireland, where he is currently a lecturer in the Sports Science departement. He has aslso represented Ireland at multiple IPF powerlifting world championships. Introduction It’s just over a year since this creatine FAQ article was published here on the sigma nutrition website. The […]

SNR #224: Kurtis Frank – Understanding The Placebo Effect & Supplement Misconceptions

Share this episode on Facebook How To Listen Listen on Spotify Listen on iTunes (iOS) Listen on Stitcher Get podcast RSS feed Click Here to Get Podcast Transcripts Guest BioKurtis Frank Kurtis Frank graduated from the University of Guelph with a bachelor’s degree in Applied Human Nutrition. During his undergraduate studies in human nutrition, he co-founded […]

Carbohydrate Periodization: Fuel For The Work Required

This is a guest post by Mark Germaine. Mark is currently completing his MSc in Sport Nutrition at Liverpool John Moores University, where he is also working as a Performance Nutritionist with various weight-making athletes. He has an undergraduate degree in Sport Science and Health, and has presented his thesis at the Faculty of Sport & Exercise […]

Should You Restrict Caffeine Before Competition To Resensitize To It?

I recently received an email from someone who had purchased the Sigma Weight Cutting System for MMA & Boxing, asking why I had advised athletes stop caffeine consumption in the final 7-10 days before competition. This is an interesting one because my stance has slightly changed on this matter in recent times. So I’d like […]

SNR #220: James Krieger – Frequency, Volume and Calories for Strength & Hypertrophy

Share this episode on Facebook How To Listen Listen on Spotify Listen on iTunes (iOS) Listen on Stitcher Get podcast RSS feed Click Here to Get Podcast Transcripts Guest BioJames Krieger James Krieger is the founder of Weightology. He has a Master’s degree in Nutrition from the University of Florida and a second Master’s degree […]

SNR #219: Arthur Lynch – How We Were Wrong, Mistakes Made & Lessons Learned

Share this episode on Facebook How To Listen Listen on Spotify Listen on iTunes (iOS) Listen on Stitcher Get podcast RSS feed Click Here to Get Podcast Transcripts Guest BioArthur Lynch, PhD (candidate) Arthur Lynch is a exercise physiology researcher currently pursuing his PhD at the University of Limerick. His current research focuses on the […]

#217: Israel Halperin, PhD – Combat Sport Science, S&C Coaching & Motor Learning (Guest Hosted by Ciaran O’ Regan)

Special guest host Ciaran O’ Regan interviews Dr. Israel Halperin about research and application of S&C coaching. Guest Bio Israel Halperin, PhD Israel is a post-doctoral researcher at Memorial University of Newfoundland. Israel completed his PhD at Edith-Cowan University, Australia in conjunction with the Australian Institute of Sport (AIS). His research centered on the effects coaching feedback has […]

SNR #215: Andy Galpin, PhD – Science to Practice, Technology and Adaptation to Stress

Share this episode on Facebook Episode 215: Dr. Andy Galpin of CSU Fullerton talks about blending evidence and practice, as well as the potential beneficial and detrimental roles of technology for making training decisions. How to Listen Listen on Spotify Listen on iTunes (iOS) Listen on Stitcher Get podcast RSS feed Click Here to Get Podcast Transcripts Guest […]

SNR #211: Brianna Stubbs, PhD – Ketogenesis, Metabolism and Ketone Ester Supplementation

Share this episode on Facebook Episode 211: Brianna Stubbs, PhD discusses some of the peer-reviewed research she has published on ketone metabolism and ketone ester supplementation. How to Listen Listen on Spotify Listen on iTunes (iOS) Listen on Stitcher Get podcast RSS feed Click Here to Get Podcast Transcripts Guest Bio Brianna Stubbs, PhD In 2016 […]

SNR #207: Alex Ritson – Research: Dynamic Fat Loss Rules & High vs. Low Reps

Share this episode on Facebook Episode 207: Alex Ritson is on the show to dive into two recent recent papers; one investigating the theories of dynamic fat loss models, and the other looking at the effect of low-rep vs. high-rep training for hypertrophy and strength. Get the podcast on iTunes (iOS) Get the podcast on […]

SNR #206: Alessandro Ferretti – Blood Glucose, HRV & Inflammatory Response to Diet

Share this episode on Facebook Episode 206: Nutritionist Alessandro Ferretti discusses data he has collected that may inform us as to the inflammatory response to diet and lifestyle, using markers such as blood glucose, heart rate variability and Alessandro’s metric of “HRV/BG Index”. Get the podcast on iTunes (iOS) Get the podcast on Stitcher (Android app) […]

#204: Greg Nuckols – Research Breakdown: Concurrent Training & Fat Free Mass Index

Click here to subscribe to MASS Episode 204: Greg Nuckols is on the show to review two recent research papers; one looking at concurrent training and the interference effect, and the other looking at the fat-free mass index in athletes. Guest Bio Greg Nuckols Greg Nuckols is the founder of StrongerByScience.com, a website that provides comprehensive […]

SNR #203: Arthur Lynch – FFM for Strength & HMB vs. Leucine

Episode 203: Arthur Lynch, PhD candidate at the University of Limerick, is on the show to break down two important research papers. Get the podcast on iTunes (iOS) Get the podcast on Stitcher (Android app) Get podcast RSS feed Click Here to Get Podcast Transcripts Guest Bio Arthur Lynch, PhD Candidate Arthur is an exercise […]

SNR #196: Rob Wildman, PhD – Nutrient Timing & the 24-Hour Approach to Workout Nutrition

Share this episode on Facebook Episode 196: Researcher and registered dietitian Dr. Rob Wildman discusses the importance of viewing performance and recovery nutrition as a 24 hour process, rather than hyperfocusing on the workout “window”. Get the podcast on iTunes (iOS) Get the podcast on Stitcher (Android app) Get podcast RSS feed Click Here to Get […]

#195: Brendan Egan, PhD – Exogenous Ketone Supplementation

Episode 195: Dr. Brendan Egan of Dublin City University discusses the current research on exogenous ketone supplementation for athletic performance and recovery. Guest Bio Brendan Egan, PhD Brendan holds a position as Senior Lecturer in Sport and Exercise Physiology in the School of Health and Human Performance at Dublin City University. His current research investigates […]

#194: Daniel Davey – Applied Performance Nutrition for Team Field Sports

Episode 194: Leinster Rugby performance nutritionist Daniel Davey discusses how to apply evidence-based nutrition practices with team sport athletes in elite-level sport. Guest Bio Daniel Davey Daniel received his BSc in Science from University College Dublin and holds an MSc in Nutrition, Physical Activity & Public Health from the University of Bristol. Daniel is also […]

#192: Shona Halson, PhD – Recovery Strategies for Elite Performance

Episode 192: Australian Institute of Sport recovery physiologist Dr. Shona Halson discusses her exciting work look at performance, fatigue and immunity in elite athletes. Guest Bio Shona Halson, PhD Dr Shona Halson is the Senior Recovery Physiologist at the ‪Australian Institute of Sport and an Associate Editor of the International Journal of Sports Physiology and […]

Could Creatine Be an Effective Treatment for Age-Related Loss of Muscle?

This is a guest post by Lee Bell. Lee has a MSc in exercise physiology and is a consultant lecturer, speaker and content writer. He is a published academic and professional writer and has delivered talks at a number of conferences including the COPA Growth medical conference in London. He is also involved in primary sport science […]

#190: Mike Israetel, PhD – Nutrition Considerations for the Strength Athlete

Episode 190: Mike Israetel, PhD discusses the relative importance of carbohydrates for strength athletes, planning nutrition periodization for strength athletes and how to structure mesocycles for strength gain. Guest Bio Mike Israetel, PhD Mike Israetel is currently a professor of Exercise Science at Temple University in Philadelphia, as well consulting nutritional and training for elite […]

The Nutrition Panel at One-Zero 2016

The Nutrition Panel at One-Zero 2016 Last year I was part of a panel discussion at the One-Zero Conference in Dublin. I was joined by Daniel Kings (head sports nutritionist at Aspetar in Qatar) and Stephen Nolan (Nutritics software). The focus of the panel was how nutrition is influencing sports and how technology allows for the […]

VIDEO: Smart Carbs for Exercise Performance

Smart Carbohydrate Intake for Sport Performance I was recently interviewed on High Intensity Health by Mike Mutzel on the topic of fuelling sport performance. You can watch it here:

#185: Trent Stellingwerff, PhD – Nutrition Strategies for Endurance Sports

Episode 185: Trent Stellingwerff of the Canadian Sports Institute discusses nutrition for endurance sports, carbohydrate periodization and raceday fuelling. Guest Bio Trent Stellingwerff, PhD Trent is an applied sport physiologist with a specialization in the area of performance nutrition. He earned a Bachelor of Science in Human Nutrition and Exercise Physiology at Cornell University and […]

#124: Brent Ruby, PhD – The Human Ceiling of Energy Expenditure

Brent Ruby PhD, discusses his lab’s fascinating work on the upper limits of energy expenditure, markers of over-training vs. real-world performance, and the role of environment & temperature on performance and recovery. Guest Bio Brent Ruby, PhD Brent is the director of the University of Montana Center for Work Physiology and Exercise Metabolism (WPEM). The center aims to […]

Nia Shanks – Body Image, Nutrition & Training for Women

Guest Bio Nia Shanks is a coach, health and fitness writer, and leader of the Lift Like a Girl revolution. She is busting the myth that women can’t develop strong bodies in a healthy way and she wants them to embrace who they are and become even stronger, more awesome versions of themselves. Nia also […]

Alex Viada – Nutrition & Hydration For Concurrent Training

Alex Viada of Complete Human Performance discusses energy systems, benefits of concurrent training, how to program it correctly, and nutritional/hydration considerations for endurance athletes. Alex Viada, NSCA Certified Strength and Conditioning Specialist and USA Triathlon Coach, is the founder and co-owner of Complete Human Performance. He has over ten years of personal training and coaching […]

Making the Cut, Part III: Supplements for Combat Sport Fighters

Buy the book: Making Weight – The Ultimate Science-based Guide to Cutting Weight for Combat Sports Supplementation. This could be a 4-part series in itself. However, I’ll skip on some details to get to: which supplements actually work which don’t and which are actually worth investing in. A brief point to consider before I go into […]