Your Cart is Empty
But it doesn't have to be.
Continue Shopping.
Added to Cart
Cart Total:
Customers Also Bought:

Jarrow Formulas, N-A-C Sustain, N-Acetyl-L-Cysteine, 600 mg, 100 Tablets

Our Price:
You Save:
AU$10.35 (30)
Earn 5% Loyalty Credit ?

Sorry, this product is no longer in stock.

This product is already in your Wish List.

View Wish List

This product is now in your Wish List.

View Wish List
In Stock
  • Expiration Date: Oct 2018
  • Shipping Weight: 0.19 kg
  • Product Code: JRW-07001
  • UPC Code: 790011070016
  • Package Quantity: 100 Tablets
  • Dimensions: 10.2 x 5.8 x 5.8 cm , 0.16 kg
Product Overview


  • Patented Formula!
  • Bilayer Tablets
  • Quick + Sustained Releases
  • Antioxidant and Glutathione Precursor
  • Supports Liver and Lung Function
  • Gluten Free
  • Dietary Supplement
  • Bilayer - Sustained - Quick

NAC SustainĀ is in a special Sustain bilayer Quick Release/Sustained Release format of N-Acetyl-L-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 oxidative stress. 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 8 hour period, compared to the 1.5 hour biological half-life of NAC in the bloodstream.

Suggested Use

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.

Other Ingredients

Carbomer, calcium phosphate, cellulose, stearic acid (vegetable source), magnesium stearate (vegetable source), silicon dioxide, beet root powder (for color) and an aqueous-based coating.

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


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.

Keep out of the reach of children.

Supplement Facts
Serving Size: 1 Tablet
Servings Per Container: 100
  Amount Per Serving % DV
N-Acetyl-L-Cysteine 600 mg *
* Daily Value not established.
iHerb Customer Reviews

Not for me !

Posted by Myozen on Jan 05, 2017

I've PND (Post nasal drip) and N-A-C helps with dissolving excessive phlegm. I have been taking DR's Best NAC for the past few months and decided to give Jarrow's Formula a try, since it's sustained-released, I thought it would provide relief throughout the day. Jarrow's Formula has other products that were effective, however this did not work for me. I am going back to Dr's Best for NAC.

Verified Purchase

Was this review helpful to you?

Good Product

Posted by 5011174210337999708 on Dec 20, 2016

reduce coughing and phlegm! Reasonable price!

Verified Purchase

Was this review helpful to you?


Posted by Reviewer2211400 on Dec 01, 2016

love this NAC. will buy again!

Verified Purchase

Was this review helpful to you?


Posted by 5758134887873404541 on Dec 01, 2016


Verified Purchase

Was this review helpful to you?

The only timed release form of NAC I know of.

Posted by Reviewer1122052 on Sep 28, 2016

I take NAC only to counteract any negative effects of paracetamol/acetaminophen use when I have migraine attacks. This sustained released version means whenever migraine comes knocking on my door, I can simply pop one together with my paracetamol and have my bed rest with peace of mind knowing it will work for the next few hours without the need for a re-dose.

Verified Purchase

Was this review helpful to you?