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Beyond collagen, GHK-Cu promotes synthesis of additional structural proteins essential for tissue integrity, including elastin, fibronectin, and proteoglycans

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This type of anemia means that your body doesn't have enough healthy red blood cells because you're low in vitamin B12

This rescue by GSH was not observed after deprivation of other amino acids (serine, glycine, glutamine or glutamate) or after inhibition of amino acid synthesis (via the glutaminase 1 inhibitor CB-839) (Extended Data Fig