This 100% pure N-Acetyl-L-Cysteine (NAC) powder provides the acetylated form of the amino acid cysteine—an essential precursor to glutathione, the body’s key antioxidant. NAC contributes to antioxidant protection, assists in natural detoxification processes and supports overall immune resilience. Ideal for wellness-focused adults seeking clean amino-acid support without additives or preservatives. Each serving delivers 500 mg pharmaceutical-grade NAC, suitable for daily use. Use only as directed. Suitable for vegetarians and vegans.