Do Probiotics Actually Help With Weight Loss? Here’s What the Research Says

Probiotics are everywhere — in yogurt, supplements, and even used for some weight loss programs. You’ve probably heard that your “gut health” affects your metabolism. But do probiotics really help with weight loss? A major 2021 systematic review and meta-analysis published in Nutrients looked directly at this question. Researchers analyzed 20 randomized controlled trials with over 1,400 adults who had overweight or obesity — many of whom also had metabolic conditions like type 2 diabetes, fatty liver disease, or metabolic syndrome. So what did they find?