L-cysteine is a sulfur-containing amino acid that helps synthesize keratin, a protein found in skin, hair and nails. It is also an antioxidant which is a precursor to l-glutathione, which is involved in one of the body’s detoxification systems and may support a healthy liver.* It also may help to support muscle and joint health.*
L-cysteine is a sulfur-containing amino acid that helps synthesize keratin, a protein found in skin, hair and nails. It is also an antioxidant which is a precursor to l-glutathione, which is involved in one of the body’s detoxification systems and may support a healthy liver.* It also may help to support muscle and joint health.*
