NOW

NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules

$21.85
10K+ bought in past month
Last updated Sep 7, 2026 at 7:45am
NOW

About this product

About this item FREE RADICAL PROTECTION*: Take 1 NAC capsule with selenium twice daily for free radical protection and to maintain cellular health*
IMPORTANT NOTE ABOUT THIS PRODUCT: Black spots may appear in NAC because of a normal oxidative reaction, but product is safe to consume. These spots are NOT mold or any other micro-contamination. Micro-testing has been performed to assess product safety
CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Made without Gluten, Kosher, Dairy Free, Egg Free, Nut Free, Soy Free,
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product formulation.
Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products

Editor's Take

Amazon reviewers say this NOW NAC formula is effective for detoxification, cellular support, and value, with several mentioning improved energy and general wellness. A smaller group reports mixed quality concerns, including some defective or inconsistent bottles.

On Target, guests mostly praise the product for respiratory support, energy, and overall effectiveness, and several say they have used it for years. On iHerb, customer comments are similarly positive, highlighting liver support, immune support, and improved mental clarity or energy.

On Reddit, discussion around the NOW brand is generally favorable, with users describing positive experiences and trusting the brand more than some other Amazon supplement sellers. A review blog also calls out the NAC dose as solid while criticizing the selenium amount as too low to matter much clinically.

A YouTube result appears to be a genuine review focused on this exact product, described as an honest review and inside look at the NOW NAC 600 mg with selenium and molybdenum. Another YouTube result is an Italian review of NOW NAC 600 mg that also appears product-specific.

Price History

Specifications

Form Capsules

Product Details

Product Dimensions 2.81 x 2.81 x 5.13 inches; 8.47 ounces
Item model number 0086
Department Health and Beauty>Health and Wellness
Date First Available October 2, 2001
Manufacturer NOW Sports - Nutrition and Wellness
ASIN B0013OUQ3S
Best Sellers Rank #922 in Health & Household ( See Top 100 in Health & Household ) #16 in Amino Acid Nutritional Supplements #112 in Sales & Deals
Customer Reviews 4.6 4.6 out of 5 stars (21,085)

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