ghk-cu peptide fda approval status scientists flag concerns with peptides as RFK Jr. tries to ease access : NPR Is GHK-Cu FDA Approved? Legal

Strong target identification normally requires orthogonal evidence such as direct binding, receptor-specific functional assays, selective antagonism, genetic loss of function, rescue experiments, and biophysical or chemical target-engagement analysis

There are no cardiovascular outcome data, no data on weight regain after discontinuation of cagrilintide monotherapy beyond the 6-week off-treatment follow-up in Lau et al., and no data in adolescents, pregnancy, or renal or hepatic impairment

1 % works well for sensitive or beginner skin

FDA approval would provide standardized, quality-controlled formulations with proper dosing guidance