Rephonic
Artwork for Sigma Nutrition Radio

Sigma Nutrition Radio

Danny Lennon
Nutrition Science
Nutrition
Cardiovascular Disease
Ultra-Processed Foods
Cholesterol
Public Health
Cardiovascular Health
Obesity
Performance Nutrition
Sports Nutrition
Chronic Diseases
Mental Health
Eating Disorders
Gut Microbiome
Nutrition Research
Mediterranean Diet
Inflammation
Dietary Patterns
Dietary Fiber
Misinformation

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.

PublishesWeeklyEpisodes632Founded12 years ago
Number of ListenersCategories
Health & FitnessNutrition

Listen to this Podcast

Artwork for Sigma Nutrition Radio

Latest Episodes

When considering the health impact of foods, it is important to consider "compared to what?". Increasing the amount of a certain food or nutrient in the diet, typically implies a displacement of another.

While comparisons are more obvious in trials... more

Unprocessed red meat and cancer risk remains one of the most debated topics in nutrition science, partly because the evidence is often presented in overly simplistic terms.

The key question is not whether to adopt a vague "balanced" position on red... more

Performance nutrition in elite sport is often discussed in terms of meal plans, supplements, and macronutrient targets. However, effective practice in professional environments depends just as much on education, trust, communication, and the ability ... more

Gut health has become a major focus in nutrition, medicine, and consumer wellness, but the term is often used loosely. Claims about microbiome testing, probiotics, fermented foods, fibre, and "boosting" the gut microbiome are now common, yet the evid... more

Key Facts

Accepts Guests
Contact Information
Podcast Host
Number of Listeners
Find out how many people listen to this podcast per episode and each month.

Similar Podcasts

People also subscribe to these shows.

The Proof with Simon Hill
The Proof with Simon HillLive better for longer
Front Page Fitness
Front Page FitnessMASS Research Review
Iron Culture presented by MASS
Iron Culture presented by MASSEric Helms & Eric Trexler
Barbell Medicine Podcast
Barbell Medicine PodcastBarbell Medicine

Recent Guests

James Morehen
Performance nutritionist in elite rugby, PhD
England Rugby (Head Nutritionist, Men's Senior Team); Bristol Bears; boxing nutrition work
Episode: #608: Performance Nutrition in Elite Rugby – James Morehen, PhD
Emily Leeming
Researcher at King's College London; dietitian
King's College London
Episode: #607: Gut Health & Microbiome Testing: What Evidence Do We Actually Have? – Emily Leeming, PhD
Luke Hanna
Nutrition coach with a master's in Obesity and Clinical Nutrition from University College London; online coach working with clients on body composition goals
Luke Hanna Nutrition / self-employed nutrition coach
Episode: #606: Practical Nutrition Strategies for Fat Loss – Luke Hanna
James Betts
Professor of Metabolic Physiology at the University of Bath; director of CNEM
University of Bath; Center for Nutrition, Exercise and Metabolism (CNEM)
Episode: #605: Fasting, Nutrient Timing & CGMs: Interpreting the Evidence – Prof. James Betts
David Allison
Chief of Nutrition and Director of the USDA's Children's Nutrition Research Center at Baylor College of Medicine, obesity/nutrition researcher
Baylor College of Medicine
Episode: #604: How To Interpret Nutrition Research – David Allison, PhD
Andrew Reynolds
Associate Professor, University of Otago; nutrition epidemiologist
University of Otago
Episode: #603: Should Dietary Fiber Be Considered Essential? – Andrew Reynolds, PhD
Megan Hellner
Co-founder of AthleteMD; RD, DrPH
AthleteMD
Episode: #602: Avoidant/Restrictive Food Intake Disorder (ARFID) – Megan Hellner, DrPH, RD & Katherine Hill, MD
Katherine Hill
Co-founder of AthleteMD; MD
AthleteMD
Episode: #602: Avoidant/Restrictive Food Intake Disorder (ARFID) – Megan Hellner, DrPH, RD & Katherine Hill, MD
Angela Madden
Clinical researcher in nutrition and dietetics, University of Hertfordshire
University of Hertfordshire
Episode: #601: Gallstones & Gallbladder Conditions: Impact of Diet – Angela Madden, PhD RD

Host

Danny Lennon
Host of nutritional science discussions; leads interviews and coordinates show directions.

Reviews

4.9 out of 5 stars from 1.4k ratings
  • Great speakers but lack scientific humility

    Great discussions from leading experts but sadly fail to demonstrate the humility needed as true scientists. The scientific method requires constant evaluation and at any time will be only partially β€œcorrect” representation of the truth.. They weaken their stance by suggesting they are the only source of truth, whilst failing to understand the wider role of food in people’s lives.

    Apple Podcasts
    2
    MedicalPodder
    United Kingdom6 months ago
  • Mmm

    I have not lissoned to this so bast on the reviews

    Apple Podcasts
    4
    Uam a monkey
    United Kingdom9 months ago
  • Reliable + Evidence Based

    Evidence based, nuanced, no hype. Expert interviews, deep dives, detailed and clear explanations. My go-to source for all nutrition questions. Having listened to well over 100 episodes, Sigma has easily become my favorite podcast. Danny is an exceptional interviewer, and he and Alan have a talent for cutting through the confusion to tease out what the science really shows (and how/why). I’ve grown in careful, critical thinking in all spheres of life. Highly recommend.

    Apple Podcasts
    5
    JJSchroeder
    United Statesa year ago
  • πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²

    πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ‘©πŸ»β€πŸ¦²πŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’…πŸΌπŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ’΄πŸ†πŸ†πŸ†πŸ†πŸ†πŸ†πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»βœŒπŸ»βœŒπŸ»βœŒπŸ»βœŒπŸ»βœŒπŸ»βœŒπŸ»βœŒπŸ»βœŒπŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»πŸ‘πŸ»

    Apple Podcasts
    5
    #DowntonAbbeyfan!
    United Kingdoma year ago
  • Low Carb Denialists

    Flanagan has a blind hatred of people who regain their health an quality of life by adopting a low carb diet.

    Apple Podcasts
    1
    Combination Lock
    Australia2 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Many reviews highlight practical, actionable insights and strong interview skills by the host.
Listeners praise rigorous, evidence-based discussions and high-quality guests.
Some criticism centers on perceived arrogance or dismissiveness toward non-mainstream views.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

PMOS (PCOS) and Diet: What Can Nutrition Realistically Do? - SNP#50
Q: Do different PCOS phenotypes respond differently to the same intervention?
Yes, different phenotypes can respond differently to dietary interventions, which supports a personalized approach that accounts for the dominant features (e.g., hyperandrogenism, ovulatory dysfunction, metabolic disturbances) in each individual.
PMOS (PCOS) and Diet: What Can Nutrition Realistically Do? - SNP#50
Q: Does PCOS alter appetite regulation in a way that affects adherence to a healthy diet?
PCOS can be associated with appetite-related factors and psychological considerations that influence adherence, underscoring the need for non-ststigmatizing, sustainable dietary approaches that fit individual circumstances.
PMOS (PCOS) and Diet: What Can Nutrition Realistically Do? - SNP#50
Q: Can diet influence reproductive outcomes such as ovulation and fertility markers?
Diet can impact factors related to ovulatory function and hormonal regulation, but the effects are variable and often mediated by weight status, insulin resistance, and individual phenotype, making universal claims challenging.
PMOS (PCOS) and Diet: What Can Nutrition Realistically Do? - SNP#50
Q: Do carbohydrate quality aspects like glycemic index or glycemic load matter for PCOS outcomes?
Glycemic index/load may influence glycemic responses and appetite in some individuals, but the evidence is not uniform across all PCOS phenotypes; benefits may be contingent on the broader dietary pattern and weight management context.
PMOS (PCOS) and Diet: What Can Nutrition Realistically Do? - SNP#50
Q: If they do, how much of that effect is driven by weight loss and energy restriction rather than other features?
A substantial portion of insulin-sensitivity improvements appears linked to weight loss and overall energy balance, though some benefits may occur independently through changes in macronutrient composition and glycemic responses; separating these effects remains a key research challenge.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About Sigma Nutrition Radio

What is Sigma Nutrition Radio about and what kind of topics does it cover?

The show consistently centers on evidence-based nutrition science, exploring how dietary patterns, metabolic processes, and lifestyle factors influence health and performance. Across episodes, topics range from fiber and gut health to fasting, chronobiology, and the nuances of nutrition research methodology, all discussed with researchers, clinicians, and practitioners. Listeners can expect deep dives into study design, practical applications for clients or patients, and thoughtful critiques of prevailing nutrition claims. A standout feature is the blend of rigorous science with real-world coaching and clinical perspectives, making complex findings accessible without oversimplification.

Where can I find podcast stats for Sigma Nutrition Radio?

Rephonic provides a wide range of podcast stats for Sigma Nutrition Radio. We scanned the web and collated all of the information that we could find in our comprehensive podcast database. See how many people listen to Sigma Nutrition Radio and access YouTube viewership numbers, download stats, audience demographics, chart rankings, ratings, reviews and more.

How many listeners does Sigma Nutrition Radio get?

Rephonic provides a full set of podcast information for three million podcasts, including the number of listeners. View further listenership figures for Sigma Nutrition Radio, including podcast download numbers and subscriber numbers, so you can make better decisions about which podcasts to sponsor or be a guest on. You will need to upgrade your account to access this premium data.

What are the audience demographics for Sigma Nutrition Radio?

Rephonic provides comprehensive predictive audience data for Sigma Nutrition Radio, including gender skew, age, country, political leaning, income, professions, education level, and interests. You can access these listener demographics by upgrading your account.

How many subscribers and views does Sigma Nutrition Radio have?

To see how many followers or subscribers Sigma Nutrition Radio has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.

Which podcasts are similar to Sigma Nutrition Radio?

These podcasts share a similar audience with Sigma Nutrition Radio:

1. The Proof with Simon Hill
2. Front Page Fitness
3. Iron Culture presented by MASS
4. Barbell Medicine Podcast
5. The Revive Stronger Podcast

How many episodes of Sigma Nutrition Radio are there?

Sigma Nutrition Radio launched 12 years ago and published 632 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact Sigma Nutrition Radio?

Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.

Where can I see ratings and reviews for Sigma Nutrition Radio?

Rephonic pulls ratings and reviews for Sigma Nutrition Radio from multiple sources, including Spotify, Apple Podcasts, Castbox, and Podcast Addict.

View all the reviews in one place instead of visiting each platform individually and use this information to decide if a show is worth pitching or not.

How do I access podcast episode transcripts for Sigma Nutrition Radio?

Rephonic provides full transcripts for episodes of Sigma Nutrition Radio. Search within each transcript for your keywords, whether they be topics, brands or people, and figure out if it's worth pitching as a guest or sponsor. You can even set-up alerts to get notified when your keywords are mentioned.

What guests have appeared on Sigma Nutrition Radio?

Recent guests on Sigma Nutrition Radio include:

1. James Morehen
2. Emily Leeming
3. Luke Hanna
4. James Betts
5. David Allison
6. Andrew Reynolds
7. Megan Hellner
8. Katherine Hill

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

Find and pitch the right podcasts

We help savvy brands, marketers and PR professionals to find the right podcasts for any topic or niche. Get the data and contacts you need to pitch podcasts at scale and turn listeners into customers.
Try it free for 7 days