NAC 600mg | GNC

Now® NAC


Item # 792471
Note: This product cannot be sold in Canada

Product Information



N-Acetyl Cysteine (NAC) is a stable form of the non-essential amino acid L-Cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and is also necessary for the formation of glutathione.* Molybdenum and Selenium are essential trace minerals that facilitate the production of several important enzymes.*


Nutrition Facts
Serving Size  1 Vegetarian Capsule(s)
Servings Per Container  250

Amount Per Serving     % DV

selenium (from L-Selenomethionine)  25 mcg   **
Molybdenum (from Sodium Molybdate)  50 mcg   **
N-Acetyl Cysteine (NAC)  600 mg   **

** Daily Value (DV) not established.
Other Ingredients
Cellulose (capsule), Stearic Acid (Vegetable Source), Citric Acid
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens
Label (click image to enlarge)

How To Use

Take 1 capsule twice daily.

Do Not Eat Freshness Packet. Keep in Bottle.

, For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.
Store in cool, dry place.
NOW FOODS, 395 S. Glen Ellyn Rd. Bloomingdale, IL 60108, USA


3.7 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
NAC survey request
Since I haven't received it yet it's hard to say - and I did not sign up for a one-time delivery - I am on a quarterly plan. Do we have a problem?
August 30, 2018
2 months ago
My Dr. recommends NAC.
5 star. Iw would recommend this product
March 18, 2018
7 months ago
This is the first time using the WOW NAC and so far I'm satisfied.
February 22, 2018
8 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question and 1 answer
Why did you choose this?
GNC Store
Doctor recommended it.
b c on Apr 9, 2015
Doctor recommended it.
b c on Apr 9, 2015
Is this good for persons with coughing with phlegm.or with problems of respiratory problems?
Agnes N on Aug 20, 2018
BEST ANSWER: I have no idea whether it would help with those problems