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This gene modulation explains why GHK-Cu benefits extend across such diverse tissues

Hayasaka, S

Glutathione is an antioxidant that is naturally found in the body and is made up of three amino acids: glutamine, cysteine, and glycine

Typical injectable GHK-Cu dose ranges Standard starting dose: 1 mg per day subcutaneous Conservative / beginner dose: 0.5 mg per day Intensive / wound-healing dose: 23 mg per day Upper research range: 4 mg per day (rarely exceeded) Frequency: once daily, or split into morning + evening microdoses for steadier levels Route: subcutaneous (SC) injection - typically abdomen , thigh or flank