Berberine weight loss claims went viral as ‘Nature’s Ozempic.’ Meta-analyses show it produces ~2 kg loss — about 7× less than semaglutide. Here’s what the evidence actually supports.
Ozempic long-term effectiveness fades fast after stopping. An Oxford review of 37 studies found weight returns at 0.4 kg/month — full regain by 20 months.
A Cochrane review of 22 trials found intermittent fasting weight loss is no better than regular dieting. The best diet is the one you’ll actually stick with.