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Sigma Nutrition Radio

SNP40: Do Seed Oils Cause Inflammation & Chronic Disease?

Sigma Nutrition Radio

Danny Lennon

Nutrition, Health & Fitness

4.8 • 633 Ratings

🗓️ 13 May 2025

⏱️ 15 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Seed oils have recently become a hotly debated topic in nutrition, fueled by sensational claims on social media. In this episode, the central theme is examining whether seed oils are truly harmful or if they've been unjustly demonized.

The discussion tackles prevalent claims – that seed oils drive inflammation, oxidation, and chronic disease – and compares them against the current scientific evidence.

This is highly relevant to nutrition science and clinical practice today, as many patients and practitioners are encountering conflicting information about vegetable oils.

By exploring the origins of seed oils, their biochemical effects, health outcome data, and the misinformation ecosystem, the episode aims to clarify how omega-6 rich seed oils fit into a healthy diet and what evidence-based guidelines say.

Timestamps

  • 01:00 Understanding terms: PUFA, Linoleic Acid, Omega-6
  • 05:20 Do seed oils cause inflammation?
  • 12:44 Omega-3 and omega-6
  • 16:43 Inflammatory markers and linoleic acid
  • 19:22 Oxidation and cooking oils
  • 26:25 Refining processes and health concerns
  • 30:32 Health outcomes and polyunsaturated fats
  • 35:18 Evidence cited by anti-seed oil proponents
  • 43:48 Conclusions

Related Resources

Transcript

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0:00.0

Hello and welcome to Sigma Nutrition Radio. As you are currently listening on the public feed of the

0:05.9

podcast, what you're going to listen to today is a preview of one of our premium exclusive episodes.

0:11.5

These are episodes that we publish in their entirety on our Sigma Nutrition Premium podcast feed,

0:17.7

and therefore to listen to that in its entirety, you need to be a Sigma Nutrition

0:21.5

Premium subscriber. Being a premium subscriber also gives you a host of other benefits, including

0:26.6

detailed study notes to our podcast episodes and full episode transcripts, as well as other

0:32.8

materials that help you get more from your podcast listening. So take a listen to this preview today. I hope

0:39.1

you enjoy it. And if you want to get these extra bonus podcast episodes in their entirety, as well as

0:44.7

those other benefits, then take a look at Sigma Nutrition Premium, which is linked in the

0:49.1

description box wherever you're currently listening or over on sigmautrition.com slash premium.

0:55.2

See if it's for you, maybe give it a try.

0:57.2

And I think it's really going to enhance how much you learn and retain from these podcast episodes.

1:03.1

So without further ado, please enjoy this preview of today's episode. Hello and welcome to Sigma Nutrition Radio. This is a premium exclusive episode

1:26.1

of the podcast. And recently I had the pleasure

1:30.6

and honor of speaking at the Sports Nutrition Association Conference in Austin, Texas. It ended up

1:36.8

being a great event. And I was tasked with discussing the concept of seed oils, some of the

1:43.3

claims that are made around seed oils and how they affect health and what we can take from the evidence.

1:49.2

And so while that lecture and the video of that is something I hope to be able to provide to you premium subscribers whenever that is ready,

1:58.9

that is something that I do need to get clarification on behalf of the association, if they would be willing to allow me to provide it to you guys.

2:07.2

But that is something I'm hoping happens in the upcoming months.

2:11.1

But in lieu of that, ahead of potentially having that available to you guys, I thought I would go through some of the things that I discussed at the conference, simply because it is something that I've recently been going through more of the research on and trying to put together some useful answers.

2:30.2

And so I thought I maybe talk through some of the main ideas that I discussed at the conference

...

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