Participants were randomly assigned to receive either semaglutide or a placebo for 52 weeks
Essential Extras: In July 2025, GenoGenix initiated a large recall of semaglutide, tirzepatide, retatrutide, GLP-1 vitamin combination products, and 54 additional compounded injectables, including vitamins and vitamin blends like Amino Blend, Vitamin D-3, Lipo MIC +B12 Methylcobalamin, and more, due to product sterility problems
doi: 10.1016/j.freeradbiomed.2022.04.011 101 FutagamiSHiratsukaTShindoTHorieAHamamotoTSuzukiKet al
Some people respond better to Tirzepatide vs Ozempic, others the opposite
It is not licensed for human use in the UK and holds no MHRA (Medicines and Healthcare products Regulatory Agency) marketing authorisation as of 2026 [7]
Those tirzepatide numbers come from SURMOUNT-1, where Jastreboffs team logged large, durable weight loss over 72 weeks in adults with obesity