NAC Sustain is in a Sustain bilayer quick release/sustained release format of N-Acetyl Cysteine (NAC), a powerful antioxidant amino acid and a precursor to the critical antioxidant glutathione.* Glutathione exerts a variety of protective effects, including detoxification and intracellular defense against oxidativestress.* Substances known to reduce glutathione status are acetaminophen and alcohol.* The advanced bilayer Sustain tablets combine 1/3 quick release and 2/3 sustained release formats to both immediately raise and to maintain blood levels over a longer period of time.* NAC Sustain releases in the small intestine over a 4 hour period, compared to the 1.5 hour biological half-life of NAC in the bloodstream.*

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154-0006 Jarrow Formulas N-A-C Sustain 100 tablets Nutrition Facts Serving Size: 1 tablet Servings Per Container: 100 Amount Per Serving % Daily Value* N-Acetyl-L-Cysteine 600  mg *%    *Percent Daily Values are based on a 2,000 calorie diet. No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.   Other Ingredients: Polyacrylate polymer, calcium phosphate, cellulose, stearic acid (vegetable source), magnesium stearate (vegetable source), silicon dioxide, beet root powder (for color) and an aqueous-based coating. Recommended Use: Take 1 SUSTAIN™ tablet 1 to 2 times per day, preferably on an empty stomach with fruit juice or as directed by your qualified health care consultant. Warning: Prolonged or elevated intake may alter liver function tests without affecting actual liver function. Inform your physician that your are ingesting NAC if you undergo liver function tests. KEEP OUT OF REACH OF CHILDREN. Before beginning any program of weight loss, consult your health care practitioner. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease. If you notice any errors in the information above, please let us know. If you have further questions about this product, please contact Jarrow Formulas at 1-800-726-0886 The nutrition facts listed above are supplied as a courtesy to our customers. The nutrition facts were current and accurate to the best of our knowledge at the time they were entered. Manufacturers often change formulas or ingredients without notifying us. We do our best to keep them as up to date as possible, however Netrition.com will not be held responsible for any differences between what is listed on our web site and what is listed on the product that you receive. If you need to be 100% certain of the ingredients currently being shipped, we recommend that you call or email our customer service department to check the shelf of current stock.