Poor absorption in the body means only a small amount of glutathione reaches the cells where it is needed most, thereby limiting its potential therapeutic effects
GHK-Cu (glycyl-L-histidyl-L-lysine copper) is a tripeptide that naturally binds copper ions and circulates in blood, saliva, and urine
GHK-Cu (Copper Tripeptide-1): the most evidence-supported peptide in skin science GHK-Cu is glycyl-L-histidyl-L-lysine bound to a copper ion
Denis, Effects of N-acetylcysteine, oral glutathione (GSH) and a novel sublingual form of GSH on oxidative stress markers: A comparative crossover study., Redox Biology, Volume 6, 2015, Pages 198-205, ISSN 2213-2317
2006;136(6 Suppl):1660S-1665S
Our clean, botanical blend absorbs easily and helps seal in hydration without interfering with peptide activity