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Jarrow Formulas, N-Acetyl-L-Cysteine, 500 mg, 200 Capsules

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In Stock
  • Expiration Date: Oct 2018
  • Shipping Weight: 0.47 lbs (0.21 kg)
  • Product Code: JRW-07003
  • UPC Code: 790011070030
  • Package Quantity: 200 Capsules
  • Dimensions: 2.5 x 2.5 x 5 in, 0.4 lbs (0.18 kg)
Product Overview


  • N-Acetyl-L-Cysteine
  • Precursor to Glutathione
  • Supports Liver & Lung Function
  • Dietary Supplement

N-Acetyl-L-Cysteine (NAC) is a powerful antioxidant amino acid and a precursor in the body to the critical antioxidant glutathione. Glutathione exerts a variety of protective effects, including detoxification and intracellular defense against oxidative stress. Substances known to reduce glutathione status are acetaminophen and alcohol.

Suggested Use

Take 1 capsule 1 or 2 times per day or as directed by your qualified healthcare professional.

Other Ingredients

Cellulose, magnesium stearate (vegetable source) and silicon dioxide. Capsule consists of gelatin.

No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.


Store in a cool, dry place, or at room temperature, and away from light.

Note: Prolonged or elevated intake may alter liver function tests without affecting actual liver function. Inform your physician that you are ingesting NAC if you undergo liver function tests. If you have a medical condition, are pregnant, lactating, trying to conceive, or taking medications, consult your healthcare professional before using this product.

Keep out of the reach of children.

Supplement Facts
Serving Size: 1 Capsule
Serving Per Container: 200
Amount Per Capsule % DV
N-Acetyl-L-Cysteine 500 mg *
* Daily value not established.
iHerb Customer Reviews

good foe me!!!

Posted by 4962073130965293485 on Dec 01, 2016

Good for my skin.

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Posted by 4908054522051769249 on Nov 30, 2016


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good quality

Posted by 5280615812874896036 on Nov 29, 2016

Inferior to some other brands as it contains magnesium stearate (which interferes with the immune system). I use it to shrink endometriomas, (from endometriosis) and for PCOS. It causes me sleeping problems but its effect is different for everybody .

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It works

Posted by 4709504267499370116 on Nov 08, 2016

But the smell OMG so bad like Sulfur

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This product is great

Posted by 5556328935642541358 on Aug 11, 2016

My son uses this product every day and benefits from it.

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