Are seed oils driving chronic disease?

Seed oils, rich in omega-6 linoleic acid, went from neutral cooking fats to public enemy number one in parts of the wellness world. Researchers point to large trials showing neutral or beneficial effects, while critics argue the trials miss the real-world context. This is one of the widest expert splits in nutrition.

The consensus meter

45% agree55% disagree

Genuine split: 3 of 5 tracked experts say the evidence does not support seed-oil harm claims, while 2 advise eliminating them.

0 supportive2 skeptical3 nuanced

What the experts say

Quoted directly, linked to the source. We never publish a position we have not verified.

Andrew Huberman
Professor of neurobiology and ophthalmology, Stanford School of Medicine; host of the Huberman Lab podcast
nuanced
“I am not of the belief that all seed oils are bad, that they're all inflammatory, that they are killing us or making us sick, that they are the major cause of metabolic dysfunction, et cetera.”
On Whether seed oils are inherently harmful or inflammatory (transcript of a Huberman Lab episode on omega-3 fatty acids). Source
Peter Attia
Physician and longevity researcher; host of The Peter Attia Drive podcast
nuanced
“Are omega-6 polyunsaturated fats inherently healthy or harmful? This is a very vexing question, and I'm not really clear at this point if I have a sense of what the answers are.”
On Whether omega-6 polyunsaturated fats are inherently healthy or harmful. Source
Mark Hyman
Physician (MD); host of The Doctor's Farmacy podcast
skeptical
“Mostly I would get rid of the safflower, sunflower, corn oil, peanut oil, anything that says vegetable oil.”
On Whether refined seed and bean oils should be consumed. Source
Rhonda Patrick
Biomedical scientist; host of the FoundMyFitness podcast
nuanced
“Time and time again, the literature is showing that omega-6 is not the villain that some nutrition gurus like to make it out to be.”
On Whether omega-6 seed oils drive inflammation and cardiovascular harm; she says the bigger problem is low omega-3 intake. Source
Layne Norton
PhD in nutrition; host of the Dr. Layne Norton Podcast
skeptical
“So the actual body of evidence doesn't support the claim. It contradicts it.”
On Whether linoleic acid from seed oils causes inflammation, cancer, and heart disease. Source

Related supplements

Omega-3 (EPA/DHA)

Great for triglycerides. The rest is still being argued.

B evidence

Last updated 2026-10-15. Educational information, not medical advice.