what is ghk -cu Rejuvenation and Youth with GHK-Cu Peptide Treatment 89030-95-5 GHK-Cu Gly-His-Lys-Cu Copper Tripeptide-1;
Description
reported that vitamin C supplementation led to increased plasma glutathione concentration, regardless of the dosage (500 or 2000 mg/day)

10.1016/j.neuron.2015.01.019 30 QinZ.FisherG

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It is an 83-amino-acid peptide bearing an arginine substitution at position 3 and a 13-amino-acid extension at the N-terminus
