For the peptide's mechanism and research bibliography, visit the GHK-Cu peptide page
Glutathione IV therapy bypasses the poor oral bioavailability of glutathione, delivering pharmacy-grade antioxidant support directly into the bloodstream over a 4560 minute infusion
Sample sizes were small and the study has never been replicated at scale, so take it as suggestive, not definitive
Goldenberg, N
A study of contaminated injectable preparations found that 23% of multi-dose vials without preservatives showed bacterial growth within 72 hours (Mattner & Gastmeier, Am J Infect Control, 2004)
If you do continue a daily multivitamin, separate it from any interactions, for instance, dont take other vitamins at the exact same time as certain medications like tetracycline antibiotics (all B vitamins can bind with tetracycline in the gut and reduce its absorption)