what about ghk-cu GHK-Cu: The Copper Peptide for

Ras stabilization through aberrant activation of Wnt/-catenin signaling promotes intestinal tumorigenesis[J]

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

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Risk increases when combined with sulfonylureas or insulin, requiring dose adjustment of concomitant hypoglycemic agents