Fiber: Types, Sources & Effects

Fiber: Types, Sources & Effects

Author: Danny Lennon February 26, 2015 Duration: 25:15

We look at soluble vs. insoluble fiber, fermentable vs. non-fermentable fiber, resistant starch, oligosaccharides, effect on gut health, and the role of prebiotics.

Go to episode page


Sigma Nutrition Radio, hosted by nutrition scientist Danny Lennon, moves beyond the noise of diet trends and simplistic advice to explore the complex, fascinating world of human nutrition. This is a space for deep, evidence-based conversations that acknowledge the nuance and often contradictory nature of scientific research. Each episode delves into a specific topic within health, fitness, or dietetics, breaking down the underlying physiology, examining the latest studies, and discussing practical implications with expert guests. The goal isn't to hand out rigid meal plans but to cultivate the critical thinking skills necessary to navigate the ever-changing landscape of nutritional science. You'll hear detailed analyses of how research is conducted, thoughtful debates on contentious issues, and explorations of how evidence translates-or doesn't-into real-world recommendations for different individuals. Tuning into this podcast means committing to a more sophisticated understanding of how food, movement, and metabolism interact, leaving you better equipped to make informed decisions about your own health and skepticism towards the next big headline. Danny’s approach is both rigorous and accessible, making even the most detailed biochemical pathways relevant to everyday life. It’s for anyone who has ever wondered about the real story behind a nutrition claim and values substance over soundbites.
Author: Language: English Episodes: 620

Sigma Nutrition Radio
Podcast Episodes
#346: Kathryn Bradbury, PhD – Diet & Colorectal Cancer Risk [not-audio_url] [/not-audio_url]

Duration: 40:15
Dr. Kathryn Bradbury, PhD is a researcher at the University of Auckland, New Zealand. Her research has focused on examining the role of diet in the development of cancer, cardiovascular disease and other non-communicable…
#344: Prof. Martin Caraher – Food Poverty & Food Aid Provision [not-audio_url] [/not-audio_url]

Duration: 1:05:08
Prof. Martin Caraher is Emeritus Professor of food and health policy at Centre for Food Policy at City, University of London. He has worked for and acted as a consultant to the UK Department of Health, the World Bank and…
#343: Understanding Causality in Nutrition Science [not-audio_url] [/not-audio_url]

Duration: 1:31:59
Danny & Alan discuss how to understand causality in nutrition research. The episodes includes: inferring causality vs demonstrating causality, the hierarchy of evidence vs. standards of proof, the erroneous application o…
#342: Are Vegan Diets Superior for Health? [not-audio_url] [/not-audio_url]

Duration: 1:43:08
In this episode Alan and Danny discuss the nutritional science research on vegan diets and human health. Some of the concepts covered include: defining "plant-based" diets, examination of various intervention trials comp…
#338: Ethics of Veganism & Omnivorism (Part 3) - Alex O' Connor [not-audio_url] [/not-audio_url]

Duration: 51:21
Alex J. O'Connor is founder of the Cosmic Skeptic YouTube channel, podcast and blog; platforms dedicated to the publication of philosophical ideas and debates in an accessible format. He is currently reading for a degree…