Danny Lennon

Sigma Nutrition Radio

Health EN ↓ 634 episodes

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.

Author

Danny Lennon

Category

Health

Podcast website

sigmanutrition.com

Latest episode

Jul 7, 2026

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Episodes

Bill Willis, PhD - Antioxidants, Exercise Performance & the Adaptive Response to Training 17.02.2015

Bill Willis, PhD talks about inflammation, the adaptive response to training and how antioxidants can potentially negatively impact exercise performance, recovery and physical improvements.

How Much Protein Should I Eat and When? 12.02.2015

Danny breaks simply how much protein you should eat each day, at what times and how much post-workout.

The Myth of Adrenal Fatigue - Bryan Walsh, ND 05.02.2015

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. Episode page here

The Importance of Perspective in Fat Loss Dieting 03.02.2015

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 Fundamentals vs. small details What success is predicated on Limiting factors An interesting study demonstarting psychology when it comes dieting and perception Some practical take-aways to remember  

Mike Samuels – Restrictive vs. Flexible Dieting 27.01.2015

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 travelling or working on the road, how to elimate binges and how to enjoy life!

Mike Israetel, PhD - All You Need To Know About Nutrient Timing 20.01.2015

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 into nutrient timing; protein timing, protein distribution, leucine threshold, placement of carbohydrates and the hierarchy of importance for body composition change. Show notes

Bryan Chung, MD - Protein Synthesis vs. Hypertrophy & Evidence-Based Fitness 13.01.2015

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 of dieting and game-changing research on the relevance of muscle protein synthesis as a proxy measure for hypertrophy.

Dominic Munnelly - Nutrition for Crossfit Performance & Female Trainees 06.01.2015

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, considerations for female trainees & differences in nutrition for performance vs. nutrition for body composition.

Kamal Patel - Research Methodology & the Hierarchy of Evidence 23.12.2014

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 potential diet and supplement decisions we can take. Show notes

Dan Pardi, PhD - Sleep, Circadian Rhythms & the Importance of Light & Dark 16.12.2014

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 09.12.2014

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 02.12.2014

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 the Irish Drug Free Powerlifting Associations overall points champion in 2010. He was the 2013 IPO National Champion at 90kg. 

Dr. Karl Nadolsky - Understanding Testosterone, Thyroid & the Adrenals 11.11.2014

Endocrinologist Dr. Karl Nadolsky gives the truth about hormones that are commonly misinterpreted or mispromoted: testosterone, thryoid, cortisol and insulin. Show notes

Richard Nikoley - Fighting Against Low-Carb, Ketogenic & Paleo Dogma 04.11.2014

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 emergence of resistant starch and prebiotic fiber as a means to imrpove gut health. Note: Contain explicit language.

Sohee Lee - Reverse Dieting, Rapid Fat Loss and Messing Up 21.10.2014

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 and writer.  She is a Stanford University graduate, a nationally qualified NPC bikini competitor and is NSCA-CSCS certified. Show notes  

Dr. Spencer Nadolsky - Lifestyle Medicine & the Sensible Approach to Diet 14.10.2014

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 specializes in weight loss (bariatric medicine) and cholesterol (lipidology).

Eric Helms, PhD - Dieting & Critical Thinking for Physique and Strength Athletes 07.10.2014

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 & conditioning based PhD. Eric's a coach for raw powerlifters, natural bodybuilders, and serious weight lifters of all walks of life with Team 3D Muscle Journey. Show notes

Liz Lipski, PhD - Inter-Individual Response to Diet 23.09.2014

Professor Liz Lipski of Maryland University of Intergrative Health is on the show to discuss the differenes in inter-individual response to diet. Show notes

Mark Alexander - Why Everyone Should Do Resistance Training 16.09.2014

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 role in that.

Abbie Smith-Ryan, PhD - Performance Supplementation, High Intensity Training & Chronic Low-calorie Dieting 09.09.2014

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. Show notes

Marc David - Psychology of Eating & Food Behaviours 02.09.2014

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 physiological state on digestion, attitude to food, behaviours around food, mind-body nutrition, food "addiction", and binge eating.

Michael Ruscio - Probiotics, Prebiotcs and SIBO 26.08.2014

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), parasite infections, stomach acid, and the hygiene hypothesis are all discussed. Show notes

Lynda Frassetto, MD - Kidney Health, Blood Pressure, Chronic Disease & Nutritional Interventions 12.08.2014

Dr. Lynda Frassetto, comes on the show to talk kidney health, blood pressure, chronic illness and how nutrition can help treat these naturally. She is a nephrologist in San Francisco, California and is affiliated with multiple hospitals in the area, including San Franciso Veterans Affairs Medical Center and UCSF Medical Center. She received her medical degree from University of Connecticut School...

Brent Pottenger, MD - "Thinkering" and Imagining the Future of Medicine 05.08.2014

Brent Pottenger, MD discusses his philosophy to health. Dr. Pottenger is a physician at Napa State Hospital and completed med school at Johns Hopkins University. He also has a Master of Health Administration at University of Southern California (USC). Click here for show notes .

Some Thoughts on the Carbohydrate Confusion 22.07.2014

On this week's show I'm talking about carbohydrates. Low-carb versus high-carb debates. Problems with carbohydrate restriction. The therapeutic effect of low-carbing. And a lot more.

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