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Because the body's own GHK-Cu declines significantly with age, supplementing it is studied for restoring some of skin's youthful regenerative capacity which is why it appears in both medical and high-end skincare contexts

Vitamin C helps to regenerate oxidized glutathione, allowing it to continue its antioxidant functions effectively

This one is included on the April 15 list, and we should be straightforward about it

Many people benefit from glutathione's cellular-protective effects, especially those with chronic inflammation or compromised liver function

10.1021/cr068289b 45 BennettW

However, strong acids, high levels of vitamin C, and chelators may affect stability