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N-Acetyl-L-Cysteine (NAC) is a premier antioxidant, antitoxin, and immune support nutrient. NAC is a derivative of the amino acid L-cysteine, and is a dietary precursor to reduced glutathione.
Glutathione, cysteine, and NAC are sulfhydryl (-SH) substances, which play crucial roles in the body’s natural antioxidant defenses. Antioxidant activity is important to homeostasis and to normal metabolism. NAC has superior bioavailability compared to glutathione and cysteine. As potent antioxidant free radical scavengers, the natural -SH substances can readily donate electrons, which makes them able to combine with, and thereby neutralize, a great variety of potentially toxic reactive substances. These -SH substances can also help protect against radiation damage, which is largely mediated by free radical formation. They are important physiological antitoxins, and are valuable for optimal immune function.
• Provides a stable form of L-cysteine, and an effective precursor to glutathione
• An antioxidant that protects against oxidative stress and supports immune function