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doi: 10.1016/S0013-7006(07)91552-3 216
Glutathione is a naturally occurring antioxidant with minimal side effects at therapeutic doses, and tirzepatide has no known interactions with antioxidant supplementation
Applying degraded GHK-Cu delivers free copper ions and amino acid breakdown products instead of the active peptide complex at best, this produces zero collagen synthesis or wound healing benefit, and at worst, free copper can act as a pro-oxidant generating reactive oxygen species that cause irritation, redness, or hyperpigmentation
It can detect glutathione at very low concentrations and identify both the reduced and oxidized forms
Epithelial layer schematic reprinted from scidraw.io ( by Chilton J
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