Life Extension Glutathione, Cysteine & C Capsules are an antioxidant and immune support supplement designed to support cellular protection, liver health and daily wellness. The formula combines glutathione, L-cysteine and vitamin C to help protect cells from oxidative stress and support the body’s natural detoxification processes. L-cysteine is an amino acid that supports protein synthesis and acts as a precursor to glutathione, while glutathione helps detoxify harmful compounds and provides intracellular antioxidant support. Vitamin C contributes to normal immune system function, supports antioxidant protection and helps enhance iron absorption. This capsule format is suitable for adults looking to support immune health, liver function and cellular wellbeing.