Everyday Wellness: Midlife Hormones, Menopause, and Science for Women 35+

BONUS: Are You Deficient in C15:0? – The Fastest Way to Improve Sleep, Mood & Metabolic Health with Dr. Stephanie Venn-Watson

Dec 8, 2025
In this enlightening discussion, Dr. Stephanie Venn-Watson, a veterinary epidemiologist and co-founder of Serafina Therapeutics, dives into the fascinating world of C15:0, the first essential fatty acid discovered in decades. She explains its significant role in improving metabolic health, mood, and sleep through its pleiotropic effects. Listeners learn about the cellular benefits of C15:0, its dietary sources, and how low levels can impact health. Dr. Venn-Watson also shares insights on supplementation and its potential to enhance overall well-being.
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INSIGHT

Dolphins Led To A Human Longevity Clue

  • Dolphins living decades under Navy care revealed metabolic and aging clues relevant to humans.
  • Metabolomics found odd-chain saturated fat C15:0 as the top predictor of healthy aging in dolphins.
INSIGHT

C15:0 Is A Newly Identified Essential Fatty Acid

  • An essential fatty acid must be obtained from diet because our bodies can't make enough.
  • Independent teams reconfirmed that C15:0 meets essential fatty acid criteria in 2024–2025.
INSIGHT

Membrane Stability Links To Longevity

  • C15:0 strengthens cell membranes by resisting lipid peroxidation and stabilizing fatty acids.
  • Membrane stability correlates with species longevity per the cell membrane pacemaker theory of aging.
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