Cheap, unglamorous, 60 years old — and it keeps surprising researchers. How metformin quietly tells the liver to stop overproducing sugar, and why longevity labs are obsessed with it. In this video: • What metformin actually does (it's not insulin) • Why it doesn't cause low blood sugar on its own • The longevity research: hype vs signal • Side effects and who shouldn't take it Educational content — not medical advice. #metformin #diabetes #longevity #pharmacology











