The Primal Podcast

Ep 118 - Dr Steph Venn Watson | SHOCKING New Cause Of Insulin Resistance (Not Carbs)

Apr 26, 2025
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INSIGHT

C15 Deficiency Causes Cellular Fragility

  • C15 is an essential odd-chain saturated fatty acid found mainly in whole dairy fat that stabilizes cell membranes and prevents cellular fragility.
  • Its deficiency leads to ferroptosis, an iron-dependent cell death causing insulin resistance, aging, and chronic diseases.
ANECDOTE

Dolphins Reveal New Insulin Resistance Cause

  • Studying Navy dolphins revealed one in three older dolphins developed insulin resistance despite no carbs in their diet.
  • This unique insight showed C15 deficiency causes insulin resistance independently of sugar intake.
INSIGHT

C15 Deficiency Links to Ferroptosis

  • Low C15 weakens red blood cells causing iron overload in the liver, triggering toxic ferroptosis.
  • This process damages organs and contributes to insulin resistance and chronic diseases beyond sugar effects.
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