History and Usage: NAC (N-Acetyl-Cysteine) is a precursor of glutathione in the body and a protected sulfur-containing amino acid. It is more stable than the sulfur-containing amino acid L-Cysteine.

Label Information and Ingredients: Suggested Use: As a dietary supplement, take one capsule daily, preferably with a meal.

Supplemental Facts Serving Size: 1 Capsule(s) Ingredients Per Serving % DV NAC (N-Acetyl-Cysteine) 600 mg   * * Daily Value Not Established Notes: Statements contained herein have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat and cure or prevent disease. Always consult with your professional health care provider before changing any medication. Other Ingredients: Gelatin, Purified Water, MCT, Silica, Magnesium Stearate

Contains No Added: binders, coatings or colorings. No corn, soy, yeast, rice, barley, wheat, lactose (milk sugar) and all milk, citrus, fish and egg products. No added sugars, salt, colorings or preservatives.

QUALITY AND POTENCY GUARANTEED Websites for Further Research:

http://en.wikipedia.org/wiki/Amino_acid

http://www.biology.arizona.edu/biochemistry/p...

http://www.answers.com/topic/amino-acid#after_ad1

http://web.indstate.edu/thcme/mwking/aminoaci...