NAC 600 mg Capsules
NOW®
Last updated: Oct 28, 2025
N-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 is an essential trace mineral that facilitates the production of several important enzymes.*
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NAC 600 mg Capsules Ingredients*
We only evaluate bioactive ingredients—the ones that truly contribute to a product's performance. Below is a list of bioactive ingredients found in this product.
For each ingredient, the quantity in parentheses indicates the amount per serving.
Selenium (as L-Selenomethionine) is an easily absorbed form of selenium, an essential mineral that's known to act as an antioxidant and supports thyroid and immune function.
N-Acetyl Cysteine (NAC) is a potent antioxidant and precursor to glutathione, widely used for its detoxifying, mucolytic, and neuroprotective benefits.
*These product and ingredient description statements have not been evaluated by the Food and Drug Administration (FDA). This product or its ingredients are not intended to diagnose, treat, cure or prevent any disease.
Product description and ingredient list are obtained from the product's brand/company website. Ingredient description is provided by our expert.
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