Sigma Nutrition Radio

Episode 134: Answering the question of whether branched-chain amino acid supplementation is a worthy consideration for gym trainees and athletes.

Episode 133: Performance dietitian Emma McCrudden of the University of British Columbia discusses important considerations for implementing evidence-based nutrition programs with vegan or vegetarian athletes. Emma trained as a Dietitian in the University of Ulster in Northern Ireland. She completed her Masters at Loughborough University in Sports Nutrition and Exercise Physiology. She worked as an...

Episode 132: Tony Gentilcore discusses his philosophy on coaching, what skills are vital to effective coaching, strategies to develop as a coach, mistakes that coaches can often make and how to help clients get the best results possible.  Tony Gentilcore is one of the co-founders of Cressey Sports Performance and helped develop that brand and facility for many years. Now Tony is coaching out of Bo...

Episode 131: Dan Pardi, PhD discusses all sorts of concepts related to the philosophy of health, including; using tech and tools to improve behaviuors, mindset over tools, research on PERMA and applying the "explore, expolit" concept to health. Dan is an entrepreneur and researcher whose life's work is centered on how to facilitate health behaviors in others. He is the developer of Loop Model to S...

Warwick (UK) in that area. Menno's background in science and statistics helped him to develop Bayesian Bodybuilding. The Bayesian method goes beyond the scientific system. It is not just a method of collecting knowledge. Bayesian methods tell us how to form rational beliefs based on the available information. Menno's work is thus data driven and evidence based. Menno is a published academic author...

Episode 129: Chris Masterjohn, PhD discusses the role of carbohydrates and insulin in endogenous antioxidant systems, oxidative stress and misconceptions on glycation. Chris is currently Assistant Professor of Health and Nutrition Sciences at Brooklyn College, part of the City University of New York. He has a PhD in Nutritional Sciences from the University of Connecticut. His dissertation was abou...

Episode 128: Martin MacDonald evaluates the latest protein research discussions, the concept of carbohydrate tolerance, and conservation of muscle mass with large calorie deficits. Martin is the founder of Mac-Nutrition, a thriving nutrition consultancy boasting sought after long-term internship and weekend mentorship programs. He has also developed Mac-Nutrition University, the UK's first ever ev...

Episode 127: Sarah Doyle of The Better Life Project discusses the how to develop habits, create change, set goals, and cultivate a healthy relationship with food in ourselves and others.

Episode 126: Melissa Davis PhD of Renaissance Periodization discusses the most important dietary and training principles to consider when planning nutrition and training periods. Currently Melissa is a Research Scientist at University of California at Irvine (UCI) in the field of neurobiology and behaviour, with focus on development and means of inducing critical period plasticity in adults. She p...

Episode 125: Cassandra Forsythe PhD, RD discusses the factors that cause loss of the menstrual cycle, what can be done about cellulite and the potential for low FODMAP diets in treatment of IBS. Cassandra is an assistant professor in the Physical Education and Exercise Science Department at Central Connecticut State University, where she teaches courses on Group Leadership, Theories in Strength &...

Click here for show notes 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. Brent is the director of the University of Montana Center for Work Physiology and Exercise Metabolism (WPEM). The center aims to mesh the research world w...

Episode 123: Donald Layman PhD, professor emeritus at the University of Illinois, discusses the "leucine threshold" and activation of the mTOR pathway, amino acid oxidation and why MPS drops 2-3 hours after that peaking even when protein remains being fed. Dr. Layman is professor emeritus at the University of Illinois. Dr. Layman's laboratory is working to define protein and amino acid requirement...

Episode 122: International Powerlifting Federation world champion and world record holder Brett Gibbs is on the show to discuss mindset, programming philosophy, success and failure, and preparation for the upcoming world championships. Brett was born and raised in New Zealand but has recently moved to Canada, where he runs his coaching business Gold Signature Coaching. Some of Brett's achievements...

Episode 121: Graeme Close PhD discusses nutrition strategies that he has researched and employed with professional jockeys in order to allow them to make weight more safely, perform better and improve their overall health. Originally a Professional rugby league player, Graeme is now a Reader in Applied Physiology & Sport Nutrition at Liverpool John Moores University where he combines his academic...

Episode 120: Kevin Folta PhD, is a horticulture professor at the University of Florida. Dr. Folta is passionate about spreading the word of good science, especially on misunderstood topics like genetic modification. Kevin Folta is a professor and chairman of the horticultural sciences department at the University of Florida. Dr. Folta received his Ph. D. from the University of Illinois at Chicago...

Episode 119: Krista Casazza PhD, discusses myths surrounding obesity, the role of epigenetics and the importance of the musculoskeletal system in weight loss maintenance and metabolic health. Dr. Casazza is an associate professor in the Department of Pediatrics at the University of Alabama. Working with the pediatric population, Dr. Casazza's research interest have evolved into understanding the r...

Episode 118: Caoileann Murphy PhD is on the show to discuss protein metabolism, distribution and recommendations on per meal vs. daily basis. Caoileann has a PhD in exercise physiology, focusing on protein metabolism under the supervision of Stu Phillips at McMaster University. She has recently moved back to Dublin to work with Dr. Brendan Egan's research group.

Episode 117: Professer Julia Rucklidge from the University of Canterbury in New Zealand discusses some of her research looking at using micronutrient provision in the treatment of mental health disorders, ADHD, depression and PTSD. Clinical psychologist Professor Julia Rucklidge explores a range of scientific research, including her own, showing the significant role played by nutrition in mental h...

Episode 116: Professer Kevin Tipton from the University of Stirling discusses nutritional interventions for injured athletes, protein intakes, and the importance of protein timing and distribution for maximal anabolic response. Kevin Tipton is a Professor of Sport, Health and Exercise Science at the University of Stirling. His postdoctoral work was under the supervision of Professor Robert Wolfe a...

Episode 115: Physical therapist Dr. Quinn Henoch discusses the crossover between strength training & physical therapy, movement screening, muscle tightness vs. muscle shortness, butt wink, squat depth and Quinn's evolving philosophy on the role of the physical therapist. Dr. Quinn Henoch has a Doctorate of Physical Therapy from the University of Indianapolis and is head of rehabilitation for Jugge...

Episode 114: Ryan Doris of De Novo Nutrition discusses adapting to situations to be successful, learning and operating out of necessity, self-responsibility, discipline & confront the brutal facts.   Ryan is the Chief Executive Officer of De Novo Nutrition, running things on both the companies supplement and apparel lines. He also is one of the coaches part of De Novo Consulting, along with Ben Es...

Episode 113: A collection of the best guest answers to the question "if you could advise people to do one thing each day that would improve their life in some aspect, what would that one thing be?".

Short mini-episode from Danny on the concept of how to be wrong and how to critisize arguments without being a "hater".

Episode 111: Grace Liu, PhD discusses some of her work in creating a better microbiome composition in clients through diet, supplementation and testing. Grace's training includes 4 years in plant biology, bachelor degree in nutritional science and a doctorate in pharmacy. While her expertise is in the pharmaceutical world, Grace explores the various scientific, nutritional, and pharmacological ins...

Episode 110: Nanci Guest, RD discusses some of her doctoral research into nutrigenomics and athletic performance. We also get into the role of nutrigenomics in creating personalized nutrition recommendations.