Search  for anything...

Pure Encapsulations NAC 900 mg - N-Acetyl Cysteine Amino Acid Supplement for Lung & Immune Support, Liver & Antioxidants* - 120 Capsules

  • Based on 0 reviews
Condition: New
Checking for the best price...

Buy Now, Pay Later


As low as $9.42 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

Non-returnable due to Food safety reasons

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives May 2 – May 3
Order within 11 hours and 56 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Size: 120 Count (Pack of 1)


Features

  • High-Quality NAC Capsules: Pure Encapsulations delivers premium N-acetyl-L-cysteine for respiratory and immune support
  • Supports Antioxidant Defense: Our amino acid supplement aids the cellular antioxidant defense system, specifically in the lungs
  • Lung Function Support: Pure Encapsulations NAC supplement supports healthy lung tissue, making it a great choice for respiratory supplements
  • Pure Quality: Our supplements are made with premium ingredients sourced from trusted suppliers and guided by nutritional experts, then manufactured and tested to verify potency and purity
  • Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

Product Dimensions ‏ : ‎ 4.5 x 2.5 x 2.5 inches; 5.6 ounces


Item model number ‏ : ‎ TS0417-B700ML-M1215


Department ‏ : ‎ unisex-adult


Date First Available ‏ : ‎ October 15, 2005


Manufacturer ‏ : ‎ Pure Encapsulations


Best Sellers Rank: #6,521 in Health & Household (See Top 100 in Health & Household) #13 in Antioxidant Combination Nutritional Supplements #782 in Diet & Sports Nutrition


#13 in Antioxidant Combination Nutritional Supplements:


#782 in Diet & Sports Nutrition:


Customer Reviews: 4.8 4.8 out of 5 stars (1,365)


Brand Name: Pure Encapsulations


Item Form: Capsule


Product Benefits: Antioxidant


Age Range Description: Adult


Dosage Form: Capsule


UPC: 766298003313


Manufacturer: Pure Encapsulations


Manufacturer Part Number: NA91


Model Number: TS0417-B700ML-M1215


Unit Count: 120 Count


Item Weight: 0.35 Pounds


Item Dimensions: 4.5 x 2.5 x 2.5 inches


Number of Items: 1


Total Servings Per Container: 120


Flavor: Unflavored


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 2 – May 3

This item is non-returnable:

Non-returnable due to Food safety reasons

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Highly recommended for those prioritizing clean ingredients and tangible health benefits!
Size: 120 Count (Pack of 1)
Pure Encapsulations NAC 900 mg is a high-quality N-Acetyl Cysteine supplement that stands out for its purity and effectiveness. Many customers appreciate how easy it is on the stomach and the convenience of the dosage. It’s commonly praised for supporting lung health and boosting overall immune function. If you’re looking for a reliable NAC supplement to add to your wellness routine, this is an excellent choice. Highly recommended for those prioritizing clean ingredients and tangible health benefits! ... show more
Reviewed in the United States on February 21, 2026 by Susan O'Hara-Smith

  • Trustworthy Brand & Feeling Sharper
Size: 120 Count (Pack of 1)
I’m already a fan of Pure Encapsulations, so I felt confident trying their NAC. I’ve been taking 900 mg first thing every morning for a few weeks now. It’s always hard to measure supplements precisely, but I genuinely feel sharper and more clear-headed since adding this to my routine. As with their other products, the quality feels consistent and reliable. So far, very happy with it. ... show more
Reviewed in the United States on March 2, 2026 by NVM

  • Wonderful product
Size: 120 Count (Pack of 1)
NAC from pure Encapsulation is an amazing product it help me so much I love it
Reviewed in the United States on March 12, 2026 by Tugboat

  • Great product.
Size: 120 Count (Pack of 1)
Seems to work well.
Reviewed in the United States on February 2, 2026 by Lori Jean

  • Best NAC I’ve ever used on cycle, actually notice the difference
Size: 120 Count (Pack of 1)
This 900 mg dose (1 cap) keeps my liver values perfect, knocks out that brain fog that creeps in week 6-8, and I swear my pumps and recovery feel cleaner. No weird aftertaste, no stomach issues, capsules are easy to swallow. Been through 4 bottles now and it’s a non-negotiable part of every blast and cruise. Worth every penny. ... show more
Reviewed in the United States on November 17, 2025 by Alvin

  • They are a must have for me
Size: 120 Count (Pack of 1)
They are a must have for me since they help me with my detox journey. The quality of the ingredients is good and it’s something that I have to take everyday for its health benefits. I haven’t experienced any stomach discomfort from taking them either.
Reviewed in the United States on March 1, 2026 by Danice

  • Undecided
Size: 120 Count (Pack of 1)
I liked them and took the whole bottle, but they didn't help my neuropathy. Didn't upset my stomach.
Reviewed in the United States on February 11, 2026 by Jennifer Alderson

  • NAC 900mg
Size: 120 Count (Pack of 1)
Great product
Reviewed in the United States on February 2, 2026 by Jack M. Zwart

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...