NOW NAC 600 mg

60 reviews

Selection: 100 Veg Capsules
Sale price$19.99

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  • NOW NAC 600 mg, 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.

Supplement Facts:

Serving Size: 1 Veg Capsule

Amount Per Serving ... %Daily Value

Selenium ... 25 mcg ... 45%
(from L-Selenomethionine)

Molybdenum ... 50 mcg ... 111%
(from Sodium Molybdate)

N-Acetyl Cysteine (NAC) ... 600 mg ... †

† Daily Value not established.

Other Ingredients:

Hypromellose (cellulose capsule), Stearic Acid (vegetable source) and 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 that contain these allergens.

Suggested Use:

Take 1 capsule twice daily. Keep freshness packets in bottle until it is empty. Keep bottle tightly closed at all times in between usage. Natural color variation may occur in this product when exposed to air. Speckling in capsule may occur but does not affect product quality. Store in a cool, dry place after opening.


For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.

* These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to treat, mitigate, diagnose or cure any disease.

Customer Reviews

Based on 60 reviews
Darlene M.

Good product

Susan P.
NOW NAC 600 mg

Great product. I take it twice a day. Supports production of gluthiathione, the major liver detoxifier.

Pat K.
It works

Glad I purchased the product and it helps me with my health during the covid season.

Susan E.
Good NAC

The NAC I ordered was just what I was looking for. It arrived very quickly. Thank you Supplement First.

Katherine B.

I take this for endometriosis and it seems to help.

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