Sigma Nutrition Radio Podcast
1) #583: Ultra-Processed Foods & Fixing the Food Environment – Kevin Hall, PhD
Ultra-processed foods have become central to the way we eat and to many of the challenges we face in public health nutrition. They dominate supermarket shelves, shape population diets, and often appea...Show More
2) SNP45: Antioxidants – What You Need To Know
This is a Premium-exclusive episode of the podcast. To listen to the full episode you need to be subscribed to Sigma Nutrition Premium. What exactly are "antioxidants," and why do they get so much hyp...Show More
3) #582: GLP-1 Agonists: Side Effects, Management and Diet – Dr. Spencer Nadolsky
GLP-1 receptor agonists have emerged as a groundbreaking tool in obesity treatment. In this episode, Dr. Spencer Nadolsky (an obesity specialist) explains how these medications are now yielding unprec...Show More
4) #581: What Is Successful Public Nutrition Policy? And Why Is It So Hard to Achieve? – Emily Callahan, RD, MPH
Public nutrition policy plays a critical role in shaping population health through laws, guidelines, and programs that influence what people eat. In this episode, Emily Callahan, an expert in nutritio...Show More
5) #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
6) #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
7) #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
8) 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
9) #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
10) #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