
The Modern Ancestral Mamas Podcast The Seed Oil Lie: What Every Family Needs to Know | Ep 94
Sep 3, 2025
Dr. Cate Shanahan, a physician and author of "Deep Nutrition," dives deep into the controversy surrounding seed oils, labeling them the "Hateful Eight" for their link to inflammation and disease. She explains why saturated fats are more stable and better for health than polyunsaturated options. Listeners learn practical tips for avoiding hidden seed oils in their diets, from label reading to selecting quality alternatives like olive and avocado oils. Dr. Shanahan encourages families to embrace real food while challenging conventional dietary wisdom.
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Tallow Fries Tasted Better, Says Dr. Cate
- Dr. Cate fondly recalls McDonald's fries fried in tallow as crisp and delicious before they switched to seed oils.
- She links that change to the period when seed oils were marketed as heart‑healthy.
McDonald's Switched From Tallow To Seed Oil
- Dr. Cate remembers McDonald's fries were once fried in tallow and tasted much better before the switch to vegetable seed oils.
- She links that industry shift to the era when seed oils became promoted as 'heart healthy'.
Read Labels And Bring Safer Dishes
- Before buying packaged food, read the ingredient list and avoid products listing any of the hateful eight seed oils.
- Swap to alternatives (avocado, olive, butter, palm, lard) and bring one safe dish when eating out or with family.




