As an antioxidant itself, and a precursor to the most important antioxidant in the body, Glutathione, NAC protects cells from damage caused by the excessive oxidative stress that results from inflammatory states, chronic disease, prolonged strenuous exercise, pollution exposure and generalized stress. Recommended Dosage: Take 1 capsule daily or as directed by a health care practitioner.Medicinal Ingredients: N-Acetyl-Cysteine 600mgNon-Medicinal Ingredients: 100% vegi-caps, Cellulose, Magnesium stearate (veg source), Silicon dioxide.Do not take this product if you are taking antibiotics or nitroglycerin.Do not use if pregnant, breastfeeding or have kidney stones. Do not use if safety seal is broken.