L-Cysteine is a sulfur-containing amino acid that plays a large role in making the structure of collagen.  I also helps generate glutathione, the master antioxidant that helps support detoxification and immune system function. L-Cysteine will help make proteins such as Metallothionein, which have the role of binding to heavy metals such as mercury, lead and cadmium. Now l-cysteine has added vitamin c to help with collagen formation, and vitamin b6 to aid glutathione production. NPN 80004716.

Precursor for glutathione, the primary cellular antioxidant, to maintain good health
With vitamins b-6 and c
Manufactured in united states
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