Both forms appear in the preclinical research literature and appear to produce similar biological effects in animal models, though dedicated comparative studies are limited and researchers continue to investigate whether the formulation difference affects potency or bioavailability
However, excessive drinking can make a big difference when it comes to sexual health
Compounding pharmacies have made such wellness peptides available in the past before the FDA rightly became more restrictive about their use
Note that reconstituted injectable GHK-Cu can be used topically, but topical copper peptide products formulated for skin application may include additional ingredients optimizing penetration and stability that simple water reconstitution doesn't provide
Rodent dosing at 1 to 10 micrograms per kilogram does not translate directly to humans
George LA, Sullivan SK, Giermasz A, Rasko JEJ, Samelson-Jones BJ, Ducore J, et al