Solgar L-Cysteine Vegetable Capsules, 500 mg, 90 Count

L-Cysteine is a sulfur-containing amino acid that helps synthesize keratin, a protein found in skin, hair and nails.

Precursor to L-Glutathione, a tripeptide involved in one of the body's detoxification systems.
Provides Free Form L-Cysteine to promote optimal absorption and assimilation
Suitable for Vegetarians