Metformin: Benefits, Side Effects, and How It WorksCurious about Metformin? This #1 diabetes drug is now used for weight loss, anti-aging, and PCOS—buMetformin: Benefits, Side Effects, and How It WorksCurious about Metformin? This #1 diabetes drug is now used for weight loss, anti-aging, and PCOS—buMetformin: Benefits, Side Effects, and How It WorksCurious about Metformin? This #1 diabetes drug is now used for weight loss, anti-aging, and PCOS—bu