semaglutide causes hair loss Do Ozempic, Wegovy, Mounjaro & Zepbound cause loss? Does Semaglutide Cause Hair Loss

GLP-1 (glucagon-like peptide-1) is a hormone in your body that regulates blood sugar, appetite, and insulin

10.1016/j.biopha.2022.113057 51 LimaA

3 In January 2026, the FDA published the largest review to date, analysing 91 placebo-controlled GLP-1 trials covering 107,910 patients alongside a real-world cohort study of 2.2 million patients

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Semaglutide's effectiveness depends more on consistent weekly timing than on a specific hour

However, increasing the number of people taking Wegovy also means more patients may suffer complications that require hospitalization or take their lives