Compound Receptors Peak trial weight loss Lean mass as share of loss Semaglutide (Ozempic/Wegovy) GLP-1 ~14.9% (STEP-1, 68 wk) ~39% Tirzepatide (Mounjaro/Zepbound) GLP-1 + GIP ~20.9% (SURMOUNT-1, 72 wk) ~25-40% Retatrutide GLP-1 + GIP + GCGR ~24.2% (Phase 2, 48 wk) Comparable class range Best for understanding the takeaway: the percentage of loss that is lean mass is roughly constant across the class
Since vitamin B12 is derived from animal-based sources, individuals who do not eat meat or animal byproducts can experience deficiencies if they do not use supplemental sources
Glutathione peroxidase, glutathione reductase, glutathione S-transferase, and [PMID: 6134525] Laboratory literature summary: Glutathione peroxidase, glutathione reductase, glutathione S-transferase, and gamma-glutamyltranspeptidase activities in the research
And honestly, this is where we see so many promising studies go off the rails before they even begin