• N-acetyl-l-cysteine protects tissues of many organs

• some suggest the best way to increase glutathione in body is with supplementation of N-acetyl l-cysteine (NAC)

• others have found that Vitamin C is probably even more effective at a lower cost and without the possible negative side effects of NAC Am J Clin Nutr 1993

• if you're into endurance training- NAC enhances muscle cysteine and glutathione availability and lessens fatigue during prolonged exercise. J Appl Physiol 2004


• No RDA is given

Dosage by Supplements

• Adults 100 mg N-acetyl l-cysteine/day

• Teens 30mg N-acetyl l-cysteine/day

• Children – not needed


Not Know.

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