The Dr. Gundry Podcast What Causes Skin Tags? The Link Between Diet, Insulin, and Metabolic Health | EP 392.A
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Feb 25, 2026 A deep dive into why skin tags can signal underlying metabolic issues. Conversations explore links between diet, insulin, IGF-1, and unwanted growths. Practical lifestyle factors are highlighted, including plant-based proteins and time-restricted eating. The show also questions quick fixes and explains how food choices affect internal health markers.
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Gundry's Personal Skin Tag Turnaround
- Dr. Stephen Gundry personally developed many skin tags while a heart surgeon and had them repeatedly removed.
- After adopting his Plant Paradox program he lost 50 pounds and his skin tags dried up and fell off within a year.
Insulin Functions As A Growth Hormone For Skin Tags
- Elevated fasting insulin acts like a growth hormone and can stimulate skin tag formation across common sites like neck, armpits, and groin.
- Gundry measured his fasting insulin drop from ~16 to ~2–3 after dietary change and lost his skin tags.
Skin Tags As Visible Clues To Internal Polyps
- Skin tags may signal broader growth-prone conditions like colon polyps because the gut lining is essentially skin turned inside out.
- Gundry notes many patients with skin tags also had colon polyps, linking both to high insulin.