Sigma Nutrition Radio
Discussions about the science of nutrition, dietetics and health. The podcast that educates through nuanced conversations, exploring evidence and cultivating critical thinking. Hosted by Danny Lennon.
- Update frequency
- every 7 days
- Average duration
- 55 minutes
- Episodes
- 592
- Years Active
- 2014 - 2025
The Myth of Adrenal Fatigue - Bryan Walsh, ND
Dr. Bryan Walsh, ND talks about adrenal physiology, low and high cortisol, the HPA axis, why adrenal fatigue is a myth and how all this influences how you should eat and live.
The Importance of Perspective in Fat Loss Dieting
Danny talks about the importance of keeping perspective and how important perception is when it comes to dieting. You can grab all the links mentioned in this episode at sigmanutrition.com/episode45
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Mike Samuels – Restrictive vs. Flexible Dieting
Mike Samuels of Healthy Living, Heavy Lifting is on the shoe to discuss restrictive vs. flexible dieting, our common transition from neurotic eating to sustainable nutrition, how to eat whilst travel…
Mike Israetel, PhD - All You Need To Know About Nutrient Timing
Episode 43: Dr. Mike Israetel is Assistant Professor of Exercise Science at UCM, a competitive powerlifter, grappler & bodybuilder and is the coach to many elite level athletes.
On the show we dive…
Bryan Chung, MD - Protein Synthesis vs. Hypertrophy & Evidence-Based Fitness
Dr. Bryan Chung, MD and PhD researcher, talks about evidence-based fitness, problems with the fitness and nutrition industry, the issue of calories, metabolic advantages of certain diets, psychology …
Dominic Munnelly - Nutrition for Crossfit Performance & Female Trainees
Dublin-based trainer & competitive CrossFit athlete Dominic Munnelly is on the show to talk about where CrossFit fits in to the health & fitness industry, some of the criticisms it faces, considerati…
Kamal Patel - Research Methodology & the Hierarchy of Evidence
Co-founder and director of Examine.com, Kamal Patel, is on the show to discuss research methodology, how to think about research, the hierarchy of evidence and how we can use all this to decide what …
Dan Pardi, PhD - Sleep, Circadian Rhythms & the Importance of Light & Dark
Stanford University sleep researcher Dan Pardi talks about how sleep affects everything, circadian biology and the importance of light and dark cycles. Show notes
Phil Graham - Using Science in Health & Bodybuilding Coaching
Phil Graham is on the show to talk about how he applies science to his coaching to get amazing health and physique results with his clients.
James Hanley - Lessons on Personal Training, Coaching & Running a Gym
James Hanley is the man behind Revolution Fitness. RevFit has two facilities in Dublin, offering semi-private strength training. James held several national drug free powerlfiting records and was th…
Dr. Karl Nadolsky - Understanding Testosterone, Thyroid & the Adrenals
Endocrinologist Dr. Karl Nadolsky gives the truth about hormones that are commonly misinterpreted or mispromoted: testosterone, thryoid, cortisol and insulin.
Richard Nikoley - Fighting Against Low-Carb, Ketogenic & Paleo Dogma
Richard Nikoley of FreeTheAnimal.com is on the show talking about the problems with dogmatic view around low-carb, ketogenic and Paleo diets. We also discuss the importance of the microbiome and the …
Sohee Lee - Reverse Dieting, Rapid Fat Loss and Messing Up
Sohee Lee is on the show talking about rapid vs slow fat loss, rebounding, reverse dieting, restrictive dieting, messing up and the importance of making your bed!
Sohee is a New York City-based coach…
Dr. Spencer Nadolsky - Lifestyle Medicine & the Sensible Approach to Diet
Dr. Spencer Nadolsky, DO is on the show talking about lifestyle medicine, using evidence in practice, how to think about carbs and dietary fat.
Dr. Spencer Nadolsky is an family physician who special…
Eric Helms, PhD - Dieting & Critical Thinking for Physique and Strength Athletes
Eric Helms is on the show to talk about nutrition considerations for physique athletes, body builders and strength athletes.
Eric is competitive bodybuilder and powerlifter, and has a strength & cond…
Liz Lipski, PhD - Inter-Individual Response to Diet
Professor Liz Lipski of Maryland University of Intergrative Health is on the show to discuss the differenes in inter-individual response to diet.
Mark Alexander - Why Everyone Should Do Resistance Training
Mark Alexander of Efficient Exercise is on the show to talk about the importance of resistance training, how it can by done by anyone both efficiently and safely, and how ARX technology can play a ro…
Abbie Smith-Ryan, PhD - Performance Supplementation, High Intensity Training & Chronic Low-calorie Dieting
Dr. Abbie Smith-Ryan, PhD is on the show to talk about performance-enhancing supplementation, high intensity training and the metabolic adaptations to chronic low-calorie dieting.
Marc David - Psychology of Eating & Food Behaviours
This week's guest is Marc David, founder of the Institute for the Psychology of Eating. We discuss why what we eat is only half the story of good nutrition. We get into topics like the effect of phys…
Michael Ruscio - Probiotics, Prebiotcs and SIBO
Michael Rusio, BNMDP/NMCC gives a breakdown of all the big issues related to the gut microbiome that could be sabotaging your health.
Probiotics, prebiotcs, small intestine bacterial overgrowth (SIBO…