#450: Megan Rossi, PhD, RD – Diet For a Healthy Gut: Diversity, Fiber Types & Gut Health Pseudoscience

Sigma Nutrition Radio

Danny Lennon

Sigma, Dietetics, Evidencebased, Nutrition, Training, Health & Fitness, Science, Diet, Fitness, Evidence, Bodybuilding, Health

4.8 • 626 Ratings

🗓️ 16 August 2022

⏱️ 54 minutes

🔗️ Recording | iTunes | RSS

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Summary

With the advances in understanding the importance of the gut (including its bacterial contents) for human health, much interest and attention has been placed on how to eat to promote positive ‘gut health’. This has led to many exciting research questions and labs doing fascinating work.

However, on the opposite side, it has led to a spike in opportunistic quacks to jump on the wave of enthusiasm and promote diets, supplements, testing kits and products that don’t reflect the current evidence base.

So what do we actually know? What aspects of diet should we focus on to improve gut health? For those with gut symptoms (bloating, pain, irritable bowel, etc.) is it possible to include more vegetables and fiber without the pain?

In this episode, gut health researcher at King’s College London, Dr. Megan Rossi, discusses some simple heuristics to follow that will likely improve overall health, and promote positive gut health.

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Transcript

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0:00.0	Hello and welcome to another episode of Sigma Nutrition Radio.
0:18.7	This is episode 450 of the podcast. My name is Danny Lennon.
0:24.6	You are very welcome. Thanks for listening into the podcast. Today we're going to be talking all
0:30.5	about diet as it applies to not only overall health, but gut health specifically. And of course, this is a term that has become loaded at this point because of the sheer
0:43.2	amount of quackery that tries to latch on to concepts related to gut health, even as a
0:49.1	broad general term.
0:50.7	And then many applications of that.
0:53.2	And that's something hopefully we will explore throughout
0:55.2	this discussion. And so to come and discuss some of the evidence on what we actually do know
1:00.5	about the interaction between diet and the gut and how that therefore influences overall health,
1:07.3	today I'm going to be talking with Dr. Megan Rossi, who is a researcher in gut health based at King's College, London, where she investigates various nutrition-based therapies in gut health, including preem probiotics, dietary fibers, the low Fodmap diet, and food additives.
1:29.8	In addition to her work in academia,
1:35.8	she's also a registered dietitian and nutritionist working in clinic with many patients who are facing issues that relate in some way to gut health, or at least that's their initial
1:43.1	presentation. And so we're going to, in this
1:46.4	discussion, hopefully try and make some of this as practical and as pragmatic as possible
1:51.0	and draw on how Dr. Rossi translates some of her work into clinical practice and how we can
1:58.8	boil up down to some food-based recommendations that actually
2:02.8	are evidence-based as opposed to falling for things that are not. If you are a premium subscriber
2:09.5	to the podcast, and of course you will get supporting detailed study notes for this episode,
2:14.2	and you'll also hear a key ideas roundup after the interview is over.
2:18.4	If you are not yet a premium subscriber and you are interested in doing so,
2:22.8	or you're interested in just hearing more about what that actually is,
	...

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