Sigma Nutrition Radio Podcast
1) #580: Sodium Bicarbonate for Sports Performance – Prof. Lewis Gough
Sodium bicarbonate is one of the most consistently supported ergogenic aids in sports nutrition research, yet its underlying mechanisms and real-world applications remain widely misunderstood. More re...Show More
2) #579: Is Your Chronotype Hard-Wired or Modifiable? And What Does It Mean for Health?
In this episode, we explore the concept of chronotype, which reflects an individual’s biological circadian timing and how it manifests in preferred sleep–wake patterns. Understanding chronotype is imp...Show More
3) #578: Creatine For Brain Health: Overhyped Trend or Science-based Intervention? – Prof. Eric Rawson
Creatine is best known as a sports supplement for enhancing muscle strength and high-intensity performance. But could it also improve brain health and cognitive function? Or are such claims overhyped?...Show More
4) Is There a Limit to Energy Expenditure? And What Happens When We Push It? (SNP44)
Energy expenditure is one of the most fundamental yet often misunderstood aspects of human physiology. A central question is whether there is a ceiling to how many calories we can burn, and what happe...Show More
5) #577: Ultra-processed vs. Minimally Processed Diets: UPDATE Trial – Samuel Dicken, PhD
Recently a new trial was published in Nature Medicine comparing the effect of ultra-processed versus minimally processed diets. Specifically, the UPDATE trial compared these two diets in the context o...Show More
6) #576: The Social Psychology of Health Beliefs and Misinformation – Matthew Facciani, PhD
In this episode, Dr. Matthew Facciani explores how social psychology influences health beliefs and the spread of misinformation. The conversation delves into why people adopt certain nutrition or heal...Show More
7) #575: How Does Dairy Impact Cardiometabolic Health? – Prof. Jean-Philippe Drouin-Chartier
Dairy is often treated as a single food group, yet milk, yogurt, cheese, and butter can have very different effects on health. Some evidence links yogurt to favourable outcomes, while butter is known ...Show More
8) #574: Microplastics & Health: What Do We Know? – Prof. Ian Mudway
They’re in our oceans, our air, our food, and now even in our bodies. Microplastics, once a distant environmental issue, have become a topic of urgent relevance in medicine, public health, and nutriti...Show More
9) #573: A Philosophy of Elite Performance Nutrition – Daniel Davey
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 top Irish teams (Dubl...Show More
10) #572: Can You Trust Industry-Funded Nutrition Studies? Here’s How to Tell
Nutrition science plays a pivotal role in shaping public health advice, but the influence of industry funding on research has become a pressing concern. In this episode we want to examine whether we c...Show More