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Meet the team behind Sigma Nutrition and discover our mission to bring clarity and credibility to nutrition science.
Founded in early 2014 by Danny Lennon, Sigma Nutrition is dedicated to providing objective, high-quality, evidence-based information on nutrition and health science.
Our mission is to serve as a trusted resource for dietitians, nutritionists, health and fitness professionals, researchers, and anyone deeply interested in the science of nutrition.
Through a diverse range of educational materials—including written articles, lectures, and our podcast Sigma Nutrition Radio—we aim to bridge the gap between cutting-edge scientific research and practical application.
For over a decade now, the podcast has become a go-to resource for those seeking thoughtful, evidence-driven discussions on nutrition and health topics.
Danny is the founder of Sigma Nutrition. He is the long-time host of the popular podcast Sigma Nutrition Radio, and is also a respected educator in the field. He has spoken at conferences and events all over Europe, the United States and Australia. And he is the co-creator of the course Applied Nutrition Literacy with Dr. Alan Flanagan.
Danny is currently a member of the Advisory Board of the Sports Nutrition Association, the global regulatory body responsible for the standardisation of best practice in the sports nutrition profession. He is also an Advisory Board member of FoodFacts.org, a non-profit whose mission is to combat misinformation and pseudoscience in the nutrition field.
Danny has a master’s degree (MSc.) in Nutritional Sciences from University College Cork, Ireland. Previous to this Danny also completed a BSc. Degree in Biology and Physics (with concurrent diploma in education), followed by a year teaching those subjects.
In the past, Danny has worked as a nutrition practitioner with a wide variety of clients. He became well known for his role as a performance nutritionist to professional mixed martial artists & other combat sport athletes. Along with Jordan Sullivan, he is the co-author of “Making Weight: The Ultimate Science Based Guide to Cutting Weight for Combat Sports”.
While his professional passion is nutrition science, it falls a long way behind his love for Arsenal, live music and dark, deadpan humor.
Dr Alan Flanagan, PhD is a Postdoctoral Research Fellow at the University of Surrey, UK, where he previously completed a PhD in nutrition and a master’s degree in Nutritional Medicine.
Dr. Flanagan is the founder of Alinea Nutrition, an online education hub dedicated to providing impartial, science-based nutrition reviews and analysis.
Dr. Flanagan is a regular co-host of Sigma Nutrition Radio. He also produces written content for the Sigma Nutrition site, as part of his role as Research Communication Officer.
If you are looking for information about our membership, book a speaker for your event, or leave us feedback, fill out our contact form.
We don't discuss nutrition basics and simple tips or make content for the general public. Our content is detailed, science-heavy and geared specifically for those with a strong understanding of nutrition.
We don’t promote one specific diet nor push myriad of supplements. We only care about accurate representation of nutrition science.
Some of the leading experts in the world of nutrition academica and health science point to Sigma as a trusted source of evidence-based information.
Our podcast hosts and article authors have formal academic training specifically in nutritional sciences. And our podcast guests are legitimate domain experts in the topics they discuss.
We don’t write fear-mongering diet books. We don’t run ads for pseduoscientific “wellness” products. We don’t sell magical “cure-all” solutions to profit off people. Sigma Nutrition relies solely on you, it’s supportive listeners, to fund our content creation and to keep the bills paid. If you want to do so, check out Sigma Nutrition Premium.
Significantly deepen your understanding of nutrition science and become truly confident in your knowledge.