fda ghk-cu immunogenicity risk Approval Status 2026: Injectable Rules Therapeutic Peptides in Aesthetic, Metabolic
Description
doi: 10.1210/jcem.78.1.7507118 101 EnglishKChikaniVDimeskiGInderWJ

It's been studied since the 1960s, originally found in the thymus gland (hence thymosin)
By competitively binding FOXO4, it prevents FOXO4 from sequestering p53, thereby restoring the cells intrinsic apoptotic signaling capacity

The use of a single compound also provides unequivocal evidence of its efficacy, free from the confounding effects of other substances