Life Extension N-Acetyl-L-Cysteine (NAC), Immune Response, Respiratory Health, Liver Health, NAC 600 mg, antioxidant Defense, Free radicals, Easy to Absorb, 60 Capsules
Life Extension N-Acetyl-L-Cysteine (NAC), Immune Response, Respiratory Health, Liver Health, NAC 600 mg, antioxidant Defense, Free radicals, Easy to Absorb, 60 Capsules
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Life Extension N-Acetyl-L-Cysteine (NAC), Immune Response, Respiratory Health, Liver Health, NAC 600 mg, antioxidant Defense, Free radicals, Easy to Absorb, 60 Capsules

Key item features

  • Immune support – N-acetyl-L-cysteine, or NAC for short, is a novel nutrient that helps support the body’s healthy immune response, as well as bronchial and respiratory health.
  • Liver health – In addition to respiratory health, NAC supports liver health and function. This supplement provides 600 mg of NAC in every capsule.
  • Antioxidant protection – N-acetyl-L-cysteine helps replenish glutathione, a powerful antioxidant. NAC is also an antioxidant, protecting cells from oxidative stress.
  • Ingredients matter – We use only the finest raw ingredients with the quality and purity you deserve. The majority of our products are non-GMO, gluten-free —and a Certificate of Analysis is available for every one.
  • Live your healthiest life – We believe the answers to a healthier life are within reach, and that scientific research is the key to getting us there. That’s why so many of our formulas feature specific ingredients and amounts based on scientific studies.
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was $16.00
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Customer ratings & reviews

4.8 out of 5 stars
stars2,454 ratings2,200 reviews
How item rating is calculated
  1. 5 stars89% (2,177)
  2. 4 stars7% (162)
  3. 3 stars2% (54)
  4. 2 stars1% (17)
  5. 1 star2% (44)

Reviews summary

Pros

  • : Offers good value at its cost.
  • : Made with high-end materials and processes.
  • : Helps maintain a healthy immune system.
  • : Enhances overall physical and mental well-being.
  • : Helps strengthen and boost the immune system.
  • : Helps with various health conditions and goals.
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Showing 1-3 of 2,200 reviews

Nov 17, 2025
Robert
Top Reviewer
Sold byLife Extension Buyers ClubDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Top rated brand

My General MD stated that I should take NAC along with Milk Thistle for liver health. This particular brand was top rated, and affordable. I noted that if taken at night, they work to prevent "inflammation and mucus clearance." If taken during the day, they work for "athletic performance and increased energy." They are versatile and can be taken to suit your needs. No taste, easy to swallow.

Helpful?3YKEFG76JVBD114313152
May 3, 2026
DENISE
5 out of 5 stars review

Seller Verified Purchase

Great product for allergy season

NAC clears/detoxes my liver, especially during allergy season. It especially helps with my eye sun-sensitivity during allergy season, which then leads to less sneezing!

Review from Life Extension
Helpful?3YKEFG76JVBD114313152
May 3, 2026
tommy
Sold byLife Extension Buyers Club IncDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Excellent product !!!!

Ran this thru my SuppCo app and it gave it 8 out of ten which is great I take this plus Life Extention is a very good company and all products are third party tested and this also helps with your skin to keep it smooth

Helpful?3YKEFG76JVBD114313152