Non-Nutrient/Non-Botanical

N-A-C Sustain 600 mg

by Jarrow Formulas · Tablet or Pill

Supplement facts from the label of N-A-C Sustain 600 mg by Jarrow Formulas: N-Acetyl-L-Cysteine 600 mg.

Label of N-A-C Sustain 600 mg, Jarrow Formulas
Label image: NIH DSLD · full label (PDF)
Serving size1 Tablet(s)
Servings per container60
Most servings a day on the label2
TypeNon-Nutrient/Non-Botanical
Barcode790011077077
Label recordDSLD 323064 · entered 2025-03-25

Supplement Facts

IngredientPer serving% DVUpper limit (adults)
N-Acetyl-L-Cysteine600 mg——

Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.

On the label

For: Vegan · Vegetarian · Adult (18 - 50 Years) · No Allergies · Gluten Free · Dairy Free

Claim types: Nutrient · All Other · Structure/Function

Suggested/Recommended/Usage/Directions: Suggested use: Adults take 1 tablet 1-2 times a day, preferably on an empty stomach with fruit juice or as directed by your qualified healthcare professional.

Formula re: Contains: Jarrow Formulas NAC Sustain features N-Acetyl-L-Cysteine (NAC), an antioxidant amino acid and a precursor to glutathione. Glutathione is important for detoxification. The advanced bi-layer Sustain tablets combine 1/3 quick release with 2/3 sustained release formats to release NAC over time.

Precautions re: All Other: Warning: 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.

Precautions re: Pregnant or Nursing or Prescription Medications: Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication or have a medical condition; if adverse reactions occur, discontinue use.

Precautions re: Children: Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication or have a medical condition; if adverse reactions occur, discontinue use. Keep out of the reach of children.

Storage: Store in a cool, dry place.

This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).