N-A-C Sustain® 600 mg | GNC

Jarrow Formulas® N-A-C Sustain® 600 mg


Item # 230844


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Size: 100 Tablets

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Product Information


Bilayer Tablets Quick + Sustained Releases
N-Acetyl-L-Cysteine Sustain®
Antioxidant and Glutathione Precursor*
Supports Liver and Lung Function*
NAC Sustain® is a special Sustain™ bilayer Quick Release/Sustained Release format of N-Acetyl L-Cysteine (NAC), a powerful antioxidant amino acid and a precursor in the body to the critical endogenous 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.*
The advanced bilayer Sustain™ tablets combine 1/3 Quick Rellease and 2/3 Sustained Release formats to both immediately raise and maintain blood levels over a longer period of time.* NAC Sustain® releases in the small intestine over an 8 hour period, compared to the 1.5 hour biological half-life of NAC in the bloodstream.* Protected by U.S. Patent # 6,623,754.

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Take 1 tablet 1 to 2 times per day, preferably on an empty stomach with fruit juice or as directed by your qualified healthcare professional.


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, under the age of 18, or taking medications, consult your healthcare professional before using this product., Keep out of reach of children.

Other Ingredients

Carbomer, Calcium Phosphate, Cellulose, Magnesium Stearate (Vegetable Source), silicon dioxide, Beet Root Powder (for color), Aqueous Coating


Store in a cool, dry place, or at room temperature and away from light.
Jarrow Formulas®
P.O. Box 35994
Los Angeles, CA 90035-4317

Nutrition Facts

Serving Size  1 Tablet(s)
Servings Per Container  100

Amount Per Serving     % DV

N-Acetyl L-Cysteine  600 mg   **

** Daily Value (DV) not established.


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