thorne glutathione sr Glutathione-SR Page 1 - Reviews -

Clinical research spanning over four decades demonstrates that injectable GHK-Cu penetrates deeper tissue layers than topical formulations, delivering copper directly to fibroblasts where collagen and elastin production occurs

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This may reduce the appearance of: sunspots (also called age spots) acne scars other causes of uneven skin tone Antioxidant effects Copper peptides may also have antioxidant effects on the skin, which may reduce inflammation and prevent further damage

Third-party testing provides independent verification of peptide composition

Vitamin C and some supplements may interfere with certain laboratory tests depending on timing and assay method