L-cysteine is an amino acid produced naturally in small quantities by the body and directly contributes to the production of glutathione, an important antioxidant. Though the body naturally produces L-cysteine, you can still supplement with it from a product called N-acetyl-L-cysteine (NAC).1,2
L-Cysteine Health Uses and Health Benefits
L-cysteine is considered to have antioxidant health benefits, meaning it helps to protect cells from damage and contribute to their repair. L-cysteine can help defend the body against chronic illness, including HIV according to one study. L-cysteine also helps ease digestive ailments like bowel inflammation and can help normalize blood sugar levels to manage and prevent diabetes.2
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