208. This 1 Ingredient Is Wrecking Your Health (It’s in Almost Everything)
Mon Feb 02 2026
In this episode, we sit down with Dr. Cate Shanahan—family physician, biochemist, and bestselling author—to uncover the hidden dangers of modern vegetable oils. Dr. Shanahan explains how eight commonly used seed oils disrupt cellular communication, fuel oxidative stress, and drive chronic disease. This episode unpacks the flawed history behind cholesterol fear, the role of industry influence, and why traditional fats like butter, lard, and tallow are making a comeback.
This conversation will empower you with practical steps to take control of your family's health—starting in your own kitchen.
In this episode, you’ll learn:
• What seed oils really do inside your body
• The 8 refined oils driving inflammation and disease
• Why “vegetable oil” on labels is a red flag
• How toxic aldehydes form during processing and cooking
• The flawed history behind cholesterol fear
• Why traditional fats like butter, lard, and tallow matter
• Simple swaps to protect your health starting today
If you’ve ever felt overwhelmed by nutrition advice, this episode brings clarity—and practical steps you can actually use.
This episode's sponsors:
https://soulyrested.com/trueleaf
https://soulyrested.com/botanicals
Grab my Pantry Checklist (loaded with discounts on my favorite ingredients) for free right here: https://soulyrested.com/pantry/
Go here to get special offers for podcast listeners in your inbox: https://soulyrested.com/podcast/
FREE resources:
Learn how to use fresh milled flour: https://graceful-base-213.myflodesk.com/k36hnsvbh7
Learn about kombucha (and grab some of my favorite recipes): https://graceful-base-213.myflodesk.com/b91bdd18-3581-414f-b145-8acd2e508a52
Learn about dehydrating food: https://graceful-base-213.myflodesk.com/fl36xcgpvq
Learn about baking with maple syrup: https://view.flodesk.com/pages/62116313e0eda1a0d870b747
Learn about making your own maple syrup: https://graceful-base-213.myflodesk.com/q5ecjrundz
Looking for more free resources? Choose from even more FREE e-courses here: https://soulyrested.com/howto/
All my favorite ingredients: https://soulyrested.com/the-best-ingredients-in-my-kitchen/
About Michelle Visser
Hi, so nice to meet you! I’m Michelle, a former processed food junkie turned real-food enthusiast.
My husband and I live on a small New England farm and sugarbush with a lot of gardens. But I’m passionate about helping folks have more real food in their lives, no matter where they live. No farm or garden required.
👋Find me in all the places:
My book: https://amzn.to/45Pt8Pu
My website: https://soulyrested.com/
Instagram: https://www.instagram.com/souly.rested/
Facebook: https://www.facebook.com/soulyrested
Pinterest: https://www.pinterest.com/soulyrested/
youtube: https://www.youtube.com/@MichelleVisser
CONTACT: michelle@soulyrested(dot)com
If you listen to any of the following shows, we're sure you'll love ours too! Ancestral Kitchen, Pioneering Today with Melissa K Norris, Simple Farmhouse Life with Lisa Bass, Pantry Chat with Homesteading Family, Sue's Healthy Minutes with Sue Becker, Old Fashioned on Purpose with Jill Winger, The Wildly Capable Show with Liz and Joey Haselmayer, ZOE Science & Nutrition, Maintenance Phase
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In this episode, we sit down with Dr. Cate Shanahan—family physician, biochemist, and bestselling author—to uncover the hidden dangers of modern vegetable oils. Dr. Shanahan explains how eight commonly used seed oils disrupt cellular communication, fuel oxidative stress, and drive chronic disease. This episode unpacks the flawed history behind cholesterol fear, the role of industry influence, and why traditional fats like butter, lard, and tallow are making a comeback. This conversation will empower you with practical steps to take control of your family's health—starting in your own kitchen. In this episode, you’ll learn: • What seed oils really do inside your body • The 8 refined oils driving inflammation and disease • Why “vegetable oil” on labels is a red flag • How toxic aldehydes form during processing and cooking • The flawed history behind cholesterol fear • Why traditional fats like butter, lard, and tallow matter • Simple swaps to protect your health starting today If you’ve ever felt overwhelmed by nutrition advice, this episode brings clarity—and practical steps you can actually use. This episode's sponsors: https://soulyrested.com/trueleaf https://soulyrested.com/botanicals Grab my Pantry Checklist (loaded with discounts on my favorite ingredients) for free right here: https://soulyrested.com/pantry/ Go here to get special offers for podcast listeners in your inbox: https://soulyrested.com/podcast/ FREE resources: Learn how to use fresh milled flour: https://graceful-base-213.myflodesk.com/k36hnsvbh7 Learn about kombucha (and grab some of my favorite recipes): https://graceful-base-213.myflodesk.com/b91bdd18-3581-414f-b145-8acd2e508a52 Learn about dehydrating food: https://graceful-base-213.myflodesk.com/fl36xcgpvq Learn about baking with maple syrup: https://view.flodesk.com/pages/62116313e0eda1a0d870b747 Learn about making your own maple syrup: https://graceful-base-213.myflodesk.com/q5ecjrundz Looking for more free resources? Choose from even more FREE e-courses here: https://soulyrested.com/howto/ All my favorite ingredients: https://soulyrested.com/the-best-ingredients-in-my-kitchen/ About Michelle Visser Hi, so nice to meet you! I’m Michelle, a former processed food junkie turned real-food enthusiast. My husband and I live on a small New England farm and sugarbush with a lot of gardens. But I’m passionate about helping folks have more real food in their lives, no matter where they live. No farm or garden required. 👋Find me in all the places: My book: https://amzn.to/45Pt8Pu My website: https://soulyrested.com/ Instagram: https://www.instagram.com/souly.rested/ Facebook: https://www.facebook.com/soulyrested Pinterest: https://www.pinterest.com/soulyrested/ youtube: https://www.youtube.com/@MichelleVisser CONTACT: michelle@soulyrested(dot)com If you listen to any of the following shows, we're sure you'll love ours too! Ancestral Kitchen, Pioneering Today with Melissa K Norris, Simple Farmhouse Life with Lisa Bass, Pantry Chat with Homesteading Family, Sue's Healthy Minutes with Sue Becker, Old Fashioned on Purpose with Jill Winger, The Wildly Capable Show with Liz and Joey Haselmayer, ZOE Science & Nutrition, Maintenance Phase