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Antioxidant support; Cellular health; Glutathione support; Respiratory wellness
Adults seeking added antioxidant support or those with busy lifestyles who want a simple daily capsule.
Take 1 capsule 1 to 2 times daily, preferably on an empty stomach with fruit juice; if sensitive, a small snack may improve comfort.
Sodium Free; No artificial color, flavor, or sweetener; No preservatives; No sugar; No starch; No corn; No soy; No egg; No lactose; No gluten; No wheat; No yeast; No fish
NAC supplies cysteine to support glutathione production and can act as a direct antioxidant that helps neutralize reactive oxygen species.
Caution: May cause gastrointestinal discomfort in some people; taking with a small amount of food or juice can help tolerance. Use caution with individuals sensitive to sulfur-containing compounds, as they may experience odor or stomach upset.
Label Warning: If you are pregnant, nursing, taking any medication, or have a medical condition, consult a healthcare practitioner before use.
Who should be cautious: People with asthma, stomach sensitivity, or those scheduled for surgery may wish to discuss use with a healthcare provider. Individuals on blood pressure medications or anticoagulants should ask a clinician about potential interactions.
Storage: Keep in a cool, dry place.
Many users mention easier mucus clearance and feeling better overall.
Capsules are reported as simple to take despite the 600 mg dose.
Several reviewers note an unpleasant rotten-egg odor that some find hard to tolerate.
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 Cysteine (NAC) is a stable form of the non-essential amino acid L-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 which exerts a variety of protective effects, including detoxification and intracellular defense against oxidative stress.
Certain research publications indicate that NAC may help support the following:
As a dietary supplement, take one (1) capsule one to two times daily, preferably on an empty stomach with fruit juice or as directed by your qualified healthcare professional.
Capsule (gelatin), silicon dioxide, magnesium stearate (vegetable source).
No artificial color, flavor or sweetener, no preservatives, no sugar, no starch, no corn, no soy, no egg, no lactose, no gluten, no wheat, no yeast, no fish.
If you are pregnant, nursing, taking any medication or have a medical condition, please consult your healthcare practitioner before taking any dietary supplement.
Keep out of the reach of children. Do not use if safety seal is broken or missing. Keep in cool, dry place.
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 Capsule | ||
| Servings Per Container: 250 | ||
| Amount Per Serving | %DV* | |
| N-Acetyl Cysteine (NAC) | 600 mg | ** |
| *%Daily Value **Daily Value not established | ||
