The Truth About Seed Oils, Protein & What’s Actually Making Us Sick | Simon Hill

Mark Hyman

Aug 13, 2025

Episode description

With so much conflicting health advice online, it’s no wonder people feel overwhelmed by food choices. Is saturated fat really the enemy? Are seed oils as harmful as some headlines claim? And how do we know what’s actually true?  In this episode of The Dr. Hyman Show, I sit down with nutrition researcher and author Simon Hill to make sense of the latest science and help you cut through the confusion.

You can watch our full conversation on YouTube or listen wherever you get your podcasts.

We discuss:

• The real story behind seed oils, saturated fat, and inflammation—and what to do about it

• What your lab work can tell you about your unique nutrition needs

• How to spot nutrition misinformation and think critically about food trends

• Why cutting back on ultra-processed foods may be more important than obsessing over any single nutrient

In a world full of nutrition noise, this episode helps you tune into what really matters—science, and your own body.

View Show Notes From This Episode


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This episode is brought to you by Fatty15, Paleovalley, Function Health, AirDoctor, Timeline and Pique.

Head to fatty15.com/hyman and use code HYMAN for 15% off your 90-day subscription Starter Kit. Get nutrient-dense, whole foods. Head to paleovalley.com/hyman for 15% off your first purchase. Join today at FunctionHealth.com/Mark and use code HYMAN100 to get $100 toward your membership.
Get cleaner air. Right now, you can get up to $300 off at airdoctorpro.com/drhyman. Support essential mitochondrial health and save 10% on Mitopure. Visit timeline.com/drhy


Episode description

With so much conflicting health advice online, it’s no wonder people feel overwhelmed by food choices. Is saturated fat really the enemy? Are seed oils as harmful as some headlines claim? And how do we know what’s actually true?  In this episode of The Dr. Hyman Show, I sit down with nutrition researcher and author Simon Hill to make sense of the latest science and help you cut through the confusion.

You can watch our full conversation on YouTube or listen wherever you get your podcasts.

We discuss:

• The real story behind seed oils, saturated fat, and inflammation—and what to do about it

• What your lab work can tell you about your unique nutrition needs

• How to spot nutrition misinformation and think critically about food trends

• Why cutting back on ultra-processed foods may be more important than obsessing over any single nutrient

In a world full of nutrition noise, this episode helps you tune into what really matters—science, and your own body.

View Show Notes From This Episode


Get Free Weekly Health Tips from Dr. Hyman

https://drhyman.com/pages/picks? utm_campaign=shownotes&utm_medium=banner&utm_source=podcast

Sign Up for Dr. Hyman’s Weekly Longevity Journal

https://drhyman.com/pages/longevity?utm_campaign=shownotes&utm_medium=banner&utm_source=podcast

Join the 10-Day Detox to Reset Your Health

https://drhyman.com/pages/10-day-detox

Join the Hyman Hive for Expert Support and Real Resultshttps://drhyman.com/pages/hyman-hive

This episode is brought to you by Fatty15, Paleovalley, Function Health, AirDoctor, Timeline and Pique.

Head to fatty15.com/hyman and use code HYMAN for 15% off your 90-day subscription Starter Kit. Get nutrient-dense, whole foods. Head to paleovalley.com/hyman for 15% off your first purchase. Join today at FunctionHealth.com/Mark and use code HYMAN100 to get $100 toward your membership.
Get cleaner air. Right now, you can get up to $300 off at airdoctorpro.com/drhyman. Support essential mitochondrial health and save 10% on Mitopure. Visit timeline.com/drhy


Mindsip insights from this episode:

Pair protein intake with resistance training for strength gains

Increasing your protein intake without also doing resistance training will do virtually nothing to increase your strength.

Prioritize total daily protein intake for muscle synthesis

Recent data suggests that total daily protein intake is far more important for muscle protein synthesis than how it is distributed throughout the day.

Prioritize strength training to prevent falls with aging

As you age, you lose strength and power at a faster rate than you lose muscle mass, which is critical for preventing falls.

Rethink protein RDA for optimal muscle health

The recommended daily allowance for protein (0.8g/kg) is set to prevent deficiency, not to optimize muscle health, which requires 1.2 to 1.6g/kg.

Build muscle with plant protein at adequate intake levels

When total protein intake is high enough (around 1.6g/kg), recent studies show no difference in muscle or strength gains between animal and plant-based diets.

Address hyper-palatable foods to combat chronic disease

The rise in chronic disease is better explained by the increased consumption of hyper-palatable, ultra-processed foods rather than by seed oils alone.

Incorporate seed oils to lower heart disease risk

Biomarker studies show that higher levels of linoleic acid from seed oils in your tissue are associated with a lower risk of heart disease and total mortality.

Avoid replacing seed oils with butter in junk food for better health outcomes

Replacing seed oils with butter in ultra-processed foods would likely make health outcomes worse due to the interaction between saturated fat and a high-sugar diet.

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