NOW NAC (N-Acetyl Cysteine) 600mg is a dietary supplement containing 100 capsules designed to provide free radical protection and maintain cellular health. Each capsule contains 600mg of NAC enhanced with selenium, and the product is non-GMO. Key features: • 600mg NAC per capsule • Contains added selenium • 100 capsules per bottle • Non-GMO formula • Supports free radical protection • Maintains cellular health NAC (N-Acetyl Cysteine) is an amino acid that serves as a precursor to glutathione, one of the body's most important antioxidants. The addition of selenium enhances its antioxidant properties. This NOW supplement is manufactured to high quality standards and comes in an easy-to-take capsule form. The product is packaged in a white bottle with a purple cap, featuring the NOW brand logo and orange labeling.