N-acetyl cysteine is a more stable form of the sulfur amino acid L-cysteine, and is a powerful cysteine and glutathione precursor. Glutathione is a major antioxidant as the cofactor for glutathione peroxidase, one of the most important antioxidant enzymes in the body. Additionally, a meta-analysis of human clinical trials has reported that N-acetyl cysteine supplementation supports respiratory health. 

1 tablet 1 to 2 times daily.

Dibasic calcium phosphate, stearic acid, hydroxypropyl cellulose, modified cellulose gum, silica, and magnesium stearate.

Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance.

Keep tightly closed in a cool, dry place.

Do not use if you are taking any form of prescription nitrate such as nitroglycerin. If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.