Metformin vs Berberine for Longevity — Is "Nature's Ozempic" Better Than the Anti-Aging Drug?

Metformin has been the center of longevity research for decades. Now Berberine is exploding online as "Nature's Ozempic." In this video, we break down the hard clinical science comparing both compounds — AMPK activation, gut microbiome effects, B12 depletion risks, exercise blunting, and which one actually belongs in a longevity protocol. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⏱️ TIMESTAMPS: 0:00 — Introduction & Exercise Warning 1:15 — What Is Metformin? 2:30 — The TAME Trial Explained 3:45 — How Metformin Activates AMPK 5:00 — What Is Berberine? 6:15 — Head-to-Head Clinical Trials 7:15 — Why Berberine Is Called Nature's Ozempic 8:15 — Category 1: AMPK & Biological Age 8:45 — Category 2: Bioavailability & Gut Health 9:30 — Category 3: Side Effects & B12 Depletion 10:15 — Category 4: Exercise Blunting Warning 10:45 — Final Evaluation Framework ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚠️ DISCLAIMER: This video is for educational purposes only. Metformin is a prescription drug. Berberine can interact with medications. Always consult a qualified physician before starting either compound.