Berberine has been used in traditional medicine for centuries, but the modern clinical evidence is what's interesting. A 2024 meta-analysis pooling 50 RCTs and 4,150 participants is the strongest look yet at what it actually does to blood sugar and lipids.

Apple cider vinegar has been a wellness staple for years. The hype is real in some areas and overstated in others. Here's what the clinical evidence says about blood sugar, weight, digestion, and who it's most likely to help.