TrimRX Does Blue Cross Blue Shield Cover Ozempic for Weight Loss? Our Take Week By Week Timeline: What to Expect on Zepbound Zepbound and metformin are both used to support weight loss but they work very differently. Zepbound mimics gut hormones to reduce appetite and slow digestion Metformin improves insulin sensitivity and lowers Feel like GLP 1 weight loss drugs affect your mood? Experts weigh in CNN