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Glutathione

The body's own antioxidant.

What it is

A tripeptide your cells make themselves, central to how the body handles oxidative stress. Also sold widely as a supplement.

What research has looked at

Studied for antioxidant status, liver function, and, in a few small trials, skin tone.

What's still unknown

Skin-related findings come from small, short studies. How much supplemental glutathione changes levels inside cells is still debated.

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For research use only. Not for human consumption, and not medical advice. Fulfilled by Peptides ATX. Read the full disclaimer at checkout.