NAC 600 mg®

Other Combinations

Brand: NOW

CapsuleOther CombinationsOff Market
Click to view full label

Net Contents

100 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 33739 00085 9

Product Version

CODE 0085 V1

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

3Active Ingredients

3 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2% Daily Value Coverage

2 ingredients report an established %DV per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

  • Milk
  • Egg
  • Shellfish
  • Wheat
  • Soy
  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Capsule(s) · 2 per day

IngredientAmount Per Serving% Daily Value
Molybdenum(Molybdenum Amino Acid Chelate)50 mcg67%
Selenium(L-Selenomethionine)25 mcg36%
N-Acetyl Cysteine600 mg—

Not Present

Other Ingredients

GelatinStearic AcidCitric Acid

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

SUGGESTED USAGE: As a dietary supplement, take 1 capsule 2 times a day. Consider taking this product in combination with NOW(R) GliSODin(R), Alpha Lipoic Acid and Antioxidant Caps.

Warnings & Precautions

Precautions re: All Other

Do Not Eat Freshness Packet. Keep in Bottle.

Storage

Storage

Store in a cool, dry place. Please Recycle.

Formulation

Formula re: Contains

With Selenium & Molybdenum Maintains Cellular Health*

Formulation re: Does NOT Contain

Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.

FDA Statements

FDA Statement of Identity

A Dietary Supplement

FDA Disclaimer Statement

*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.

Other Label Statements

General Statements: All Other Content

ACTUAL SIZE

General: Product/Version Code

CODE 0085 V1

General Statements: All Other Content

CRITICAL ANTIOXIDANT

General Statements: All Other Content

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.*

Seals/Symbols

QUALITY GMP ASSURED

Manufacturer & Distributor

Manufacturer

NOW FOODS

BLOOMINGDALE, IL, 60108, Made in the U.S.A.

Market Reference

$8.10 – $160.11· 40 listings
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    Target4.8(16000)
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    CVS Pharmacy4.8(16000)
    $20.99
  • NAC 600 mg 30 Capsules

    NOW4.8(16000)
    $9.99
  • NOW NAC 600 mg 100 V-caps

    Village Vitamin Store4.8(16000)
    $13.92
  • NOW NAC (N-Acetyl Cysteine) 600 mg with Selenium & Molybdenum

    coborns.com4.8(16000)
    $13.99
  • NOW NAC 600 mg 250 Veg Capsules

    Planet Health4.8(16000)
    $47.99
  • NOW NAC Quercetin & Zinc

    Muscle & Strength4.8(225)
    $17.99
  • NOW Foods NAC Pure Powder 4 oz.

    Target4.8(775)
    $20.99

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

  • GNC

    4.0 (49)

    Vitamin & supplements store

    1111 E Army Post Rd Ste #220, Des Moines, IA 50315

  • Fit Pharm Nutrition

    5.0 (33)

    Vitamin & supplements store

    2010 SE Delaware Ave Ste 226, Ankeny, IA 50021

  • Fit Pharm Nutrition- Weight Loss, Sports Nutrition, Vitamins,

    4.5 (188)

    Vitamin & supplements store

    6305 Mills Civic Pkwy Suite 3109, West Des Moines, IA 50266

  • 5 Star Nutrition Urbandale

    4.9 (210)

    Vitamin & supplements store

    11881 Hickman Rd Suite 200, Urbandale, IA 50323

  • Campbell's Nutrition

    4.5 (163)

    Vitamin & supplements store

    4040 University Ave, Des Moines, IA 50311

  • Nutrition Marketplace and Water to Go

    5.0 (7)

    Vitamin & supplements store

    8830 Swanson Blvd, Clive, IA 50325

  • O-Liv Olive Oil Supplements

    Vitamin & supplements store

    699 Walnut St #2000, Des Moines, IA 50309

  • Campbell's Nutrition

    4.5 (49)

    Vitamin & supplements store

    2749 100th St, Urbandale, IA 50322

Research & Studies

  • N-Acetylcysteine (NAC): Impacts on Human Health

    MCS Tenório, NG Graciliano, FA Moura, ACM Oliveira… - Antioxidants, 2021 - mdpi.com

    … 600 mg of oral NAC in subjects with ESRD was 4.9 ± 3.5 L/h versus 56.1 ± 12.7 L/h in healthy … 600 mg oral NAC supplementation was not able to alter serum creatinine or cystatin C [90]. …

    2021612 citations
  • N‐acetylcysteine: a review of clinical usefulness (an old drug with new tricks)

    GK Schwalfenberg - Journal of nutrition and metabolism, 2021 - Wiley Online Library

    … searched for articles on NAC and health conditions listed above … Oral NAC is now being used for conditions like chronic … A recent long-term RCT study using NAC 600 mg bid resulted in …

    2021212 citations
  • N-acetylcysteine: evidence based consensus document on the therapeutic advantages in respiratory diseases (NECTAR)

    M Barne, M Shevade, P Bhattacharyya… - Frontiers in …, 2026 - frontiersin.org

    … First developed as a mucolytic, NAC is now recognized for … that NAC 600 mg BID reduced exacerbation rates in NAC group (… (DM) and healthy volunteers showed that NAC has anti-TB …

    2026
  • Adjunctive N-acetylcysteine and lung function in pulmonary tuberculosis

    RS Wallis, I Sabi, J Lalashowi, A Bakuli… - NEJM …, 2024 - evidence.nejm.org

    … without recent tuberculosis or malaria (Supplementary Protocol). … NAC capsules (600 mg) were donated to the study by Now … -blood samples of healthy Tanzanian volunteers are similar …

    202434 citations
  • N-acetylcysteine for antioxidant therapy: pharmacology and clinical utility

    S Dodd, O Dean, DL Copolov, GS Malhi… - Expert opinion on …, 2008 - Taylor & Francis

    … prescription from pharmacies and health food stores worldwide. … for NAC remain poorly defined as most studies are now old and … per day to as little as 600 mg three times per week, was …

    2008577 citations
  • Safety of N-Acetylcysteine at High Doses in Chronic Respiratory Diseases: A Review

    P Calverley, P Rogliani, A Papi - Drug safety, 2021 - Springer

    … NAC has been used at 600 mg and above, up to 3000 mg/day, … in man, it would be evident by now. At present, the clinical … Healthy individuals received three different doses of NAC …

    202194 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2011-12-23. DSLD Label ID: 2834. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.