Now Foods, NAC, 600mg, 100 Veg Capsules.

With Selenium Maintains Cellular HealthN-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and is also necessary for the formation of glutathione. Selenium are essential trace minerals that facilitate the production of several important enzymes. Suggested UseTake 1 capsule twice daily. Keep freshness packets in bottle until it is empty. Keep bottle tightly closed at all times in between usage. Natural color variation may occur in this product when exposed to air. Speckling in capsule may occur but does not affect product quality. Store in a cool, dry place after opening. For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. Do not eat freshness packets enclosed. Other Ingredients Hypromellose (cellulose capsule), Stearic Acid (vegetable source) and Citric Acid. Not manufactured with yeast, wheat, gluten, soy, corn, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Supplement Facts Serving Size: 1 Veg Capsule Amount Per Serving % Daily Value Selenium (from L-Selenomethionine) N-Acetyl Cysteine (NAC) 25 mcg 50 mcg 600 mg 45% 111% † † Daily Value not established