Skip to product information
1 of 2

NOW Foods

NOW | N-Acetyl Cysteine (NAC) 1000mg

NOW | N-Acetyl Cysteine (NAC) 1000mg

Regular price $34.99 USD
Regular price Sale price $34.99 USD
Sale Sold out
Shipping calculated at checkout.

N-acetyl cysteine (NAC) is a supplement form of cysteine. NAC is useful for various lung conditions and can help break down mucous. NAC can also be useful for treating conditions that involve oxidative stress such as degenerative myelopathy and chronic kidney disease in dogs. For cats, NAC can be useful in treating conditions that involve respiratory inflammation and also for FIV. Use caution with pets with stomach ulcers or pregnant animals.

Supplement Facts

Active Ingredients:

N-Acetyl Cysteine (NAC)

Other Ingredients: 

Microcrystalline Cellulose, Hydroxypropyl Cellulose, Stearic Acid (vegetable source), Vegetarian Coating [hypromellose (cellulose), stearic acid (vegetable source), sunflower lecithin, triethyl citrate, sunflower oil] and Silicon Dioxide.

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Contents: 120 count 1000mg tablets

Recommended dosage

1/4 tablet per 30lbs once or twice daily.

View full details
  • Shipping

    Orders usually ship within 1 or 2 business days (Mon.-Fri.) Please note that the only guaranteed shipping methods are UPS Next Day Air and UPS 2nd Day Air. Please see the rest of our shipping policy by clicking below.

    Shipping Policy 
  • Returns

    We are happy to accept returns for unopened items within 30 days of delivery. To initiate a return, please email See our full return policy by clicking below.

    Return Policy 

Products You Can Trust

Approved by a Holistic Veterinarian with 40 years of experience, you can feel confident that all of the products featured in our store are heathy for your pet.