FDAs new approach will likely undermine the incentive for those pushing peptides to study them in randomized trials and get them approved
Researchers specifically targeting skin aging should consider GHK-Cu as the primary copper peptide, potentially adding AHK-Cu if scalp health is also a concern
Plant Physiol 135:12061220 Wachter A, Wolf S, Steininger H, Bogs J, Rausch T (2005) Differential targeting of GSH1 and GSH2 is achieved by multiple transcription initiation: implications for the compartmentation of glutathione biosynthesis in the Brassicaceae
Wighton MC, Manson JI, Speed I, et al
This is not a peripheral effect
The results varied by gender, although in both instances, the observed alterations following Epitalon administration indicated reduced concentrations