#619: How Much Fish Should a Healthy Diet Contain?
Most dietary guidelines recommend eating one to two servings of fish per week, often specifying that at least one serving should be oily fis...
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Sigma Nutrition Radio: Evidence-Based Nutrition | Fitness | Health | Dietetics | Body Composition
Evidence-based nutrition and performance information coming directly from the greatest minds in each field. This podcast is the perfect education tool for nutritionists, dietitians, fitness...
Episodes
20 of 642 episodes#618: How Wellness & Optimisation Culture Can Commodify Science – Nick Tiller, PhD
Wellness and optimisation culture increasingly presents itself as "science-based". But citing studies, using technical language, or having s...
#617: What Does Effective Athlete Support Look Like in Practice? – Gemma McGuinness
Effective athlete support requires more than delivering technically correct nutrition advice. It depends on understanding the athlete's wide...
Fiber: Independent Benefits or Just a Proxy for Healthy Foods?
This episode answers one of the questions raised in the most recent Q&A episode on Sigma Nutrition Premium . The full episode includes the f...
#616: More Testing, Better Health? Harms of Overdiagnosis & Overtreatment - Austin Baraki, MD
Medical screening is often framed as an uncomplicated good: if disease is found earlier, treatment can begin earlier and outcomes should imp...
#615: Why Processing Doesn't Determine the Healthfulness of Plant-Based Diets – Alysha Thompson, PhD
What does the evidence actually show when we look at plant-based dietary patterns through the lens of food processing? And does classifying...
#614: The Human Skills of Nutrition Coaching – Krista Scott-Dixon, PhD
In nutrition and health coaching, one of the central challenges is understanding how people actually change, particularly when life is compl...
#613: Supplement Safety & Medication Interactions – Giulia Guerrini, MPharm
Supplement safety is often discussed in very general terms, but in practice the risks depend heavily on the individual. A supplement that is...
#612: Does Sweet Taste Exposure Actually Develop Preference? – Prof. Katherine Appleton
A common idea is that repeated exposure to sweet taste strengthens our preference for sweetness, which then drives greater intake of sweet f...
#611: Electrolyte Mythology: Wellness Marketing vs. Evidence - Zoë Rom & Kylee Van Horn
Electrolytes have become one of the most heavily marketed areas of modern sports nutrition and wellness. What was once a relatively specific...
SNP51: Understanding Blood Glucose Reponses
This is a Premium-exclusive episode. Go to the Premium feed to listen. Or subscribe to Premium . Blood glucose is easy to measure, but not a...
#610: Rock, Paper, Salmon – Errors in Interpreting Food Substitution Models
When considering the health impact of foods, it is important to consider "compared to what?". Increasing the amount of a certain food or nut...
#609: Unprocessed Red Meat & Cancer Risk
Unprocessed red meat and cancer risk remains one of the most debated topics in nutrition science, partly because the evidence is often prese...
#608: Performance Nutrition in Elite Rugby – James Morehen, PhD
Performance nutrition in elite sport is often discussed in terms of meal plans, supplements, and macronutrient targets. However, effective p...
#607: Gut Health & Microbiome Testing: What Evidence Do We Actually Have? – Emily Leeming, PhD
Gut health has become a major focus in nutrition, medicine, and consumer wellness, but the term is often used loosely. Claims about microbio...
PMOS (PCOS) and Diet: What Can Nutrition Realistically Do? - SNP#50
In this episode, we examine what nutrition can realistically do in the condition historically known as PCOS, now renamed polyendocrine metab...
#606: Practical Nutrition Strategies for Fat Loss – Luke Hanna
Body composition goals, particularly bodyfat loss, are among the most common reasons people seek support from a nutritionist or health and f...
#605: Fasting, Nutrient Timing & CGMs: Interpreting the Evidence – Prof. James Betts
Fasting, nutrient timing, chrono-nutrition, and continuous glucose monitoring are all topics that have generated substantial interest, but t...
#604: How To Interpret Nutrition Research – David Allison, PhD
How should we decide what counts as trustworthy evidence? Scientific rigor is not a single characteristic of a study, but a chain of decisio...
#603: Should Dietary Fiber Be Considered Essential? – Andrew Reynolds, PhD
Dietary fiber is widely recognized as an important component of a healthy diet, yet it is not typically classified as an essential nutrient....