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These include protein peptides, amino acid peptides, and creatine peptides available through supplement retailers
It also acts as an antioxidant
A note on absorption: oral glutathione has limited bioavailability because much of it is broken down in the digestive tract before reaching systemic circulation
This creates two separate business paths: Cosmetic Path: GHK-Cu cosmetic ingredient products can only claim cosmetic benefits, such as firming the skin, reducing the appearance of fine lines, and improving rough skin texture
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