Is Glycine, N-(N-L-.gamma.-glutamyl-L-cysteinyl)- vegan?

Glutathione is also known as Glycine, N-(N-L-.gamma.-glutamyl-L-cysteinyl)-.

Glutathione is a tripeptide composed of glutamate, cysteine, and glycine, naturally occurring as an antioxidant in plants, animals, fungi, and some microorganisms; in cosmetics it is typically produced by fermentation or synthesis.

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