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Antioxidant support; Cellular health; Respiratory wellness; Active lifestyle support
Adults with busy or active lifestyles seeking antioxidant support or those in areas with environmental stressors.
Mix 1 scoop (600 mg) with a beverage 1 to 2 times daily as needed; for higher intake, use up to 2.4 g per day in divided doses. Taking with food or a snack may improve tolerance if you experience stomach discomfort.
Kosher; Gluten Free; Non-GMO; Lactose Free; Produced in a facility that also processes milk and tree nuts.
NAC supplies cysteine that helps regenerate glutathione, a key intracellular antioxidant that supports redox balance and helps neutralize reactive oxygen species.
Caution: May cause digestive discomfort in some people; take with food if sensitive. Consult a healthcare professional if pregnant, nursing, have a medical condition, or use medications because NAC can interact with certain drugs. Stop use 2 weeks before surgery due to theoretical effects on bleeding.
Label Warning: Not for children under 18 years. Consult a physician before use if pregnant, nursing, have a medical condition, or are taking any medication. Stop use two weeks before surgery. Proposition 65 warning: consuming this product may expose you to lead, a chemical known in California to be associated with birth defects or other reproductive harm.
Who should be cautious: People who are pregnant or nursing, planning surgery, have medical conditions, or use medications may need extra caution. Those with allergies to milk or tree nuts should be aware it is produced in a facility that also handles these allergens.
Storage: Store in a cool, dry place.
Many users mention feeling more energetic and generally better after regular use.
Customers prefer the powder for easy mixing and flexibility compared to capsules.
Taste feedback varies; some describe a tangy or lemony note, while others find it very bitter or acidic.
This product is guaranteed authentic and backed by our easy returns & refunds policy. Details
Vitamin C helps regenerate glutathione, which NAC supports as a precursor. Together, they may enhance antioxidant defenses and help maintain cellular health under oxidative stress.
AI generated. Not medical advice.
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N-Acetyl-L-Cysteine, also known as NAC, is a more stable form of the amino acid L-Cysteine and is the most effective way to boost Glutathione levels in the body. NAC is a more stable form of L-Cysteine because it has an acetyl group (CH3CO) attached. NAC has all the properties of L-Cysteine but is more water soluble and said to be more bio-available than L-Cysteine.
NAC makes up Glutathione, a critical antioxidant scientifically proven to scavenge free radicals. NAC has the unique ability to maintain healthy lung tissue, support the body's natural defenses and enhance cellular health and longevity. These qualities make NAC especially beneficial for active people, the elderly and those exposed to polluted environments.
Take 1 scoop (600 mg) with your favorite beverage, 1-2 times daily as needed. For maximum benefit, take up to 2.4 grams (4 servings), in divided doses, daily.
Absolutely none.
Produced in a facility and/or manufacturing line that also produces milk, tree nuts and nuts.
Made in USA with ingredients sourced worldwide.
This product is sold by weight not volume. Some settling of contents may have occurred. Serving scoop included.
Store in a cool dry place.
Keep out of reach of children. This product is not intended/recommended for children under 18 years of age. Consult a physician before use if you are pregnant, nursing, have a medical condition or are taking any medication. Discontinue use two weeks prior to surgery.
Consuming this product can expose you to chemicals including lead, which are known to the State of California to cause birth defects or other reproductive harm. Prop 65.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
| Supplement facts | ||
| Serving Size: 1 scoop (600 mg) | ||
| Servings Per Container: 250 | ||
| Amount Per Serving | %DV | |
| N-Acetyl Cysteine (NAC) | 600 mg | † |
| †Daily Value (DV) not established. | ||
