Join FREE Newsletter

My Account Logout Contact Us Subscribe Now! Login Contact Us
Home Product Tests  Warnings  Encyclopedia News Where to Buy
 
 

Product Review: N-Acetyl Cysteine Supplements
 

Initial Posting: 9/26/14  Last Update: 3/26/16 
N-acetyl cysteine (NAC) supplements tested by ConsumerLab.com Tests of NAC (N-Acetyl Cysteine) Supplements Show Which Provide Best Quality and Value

— Find Out How Your NAC Supplement Compares —

Alphabetical list of the NAC supplements compared in this report:
Bluebonnet NAC NutriCology NAC Source Naturals N-Acetyl Cysteine
Carlson NAC PharmaNAC Twinlab NAC Fuel
Doctor's Best Best NAC Detox Regulators Pure Encapsulations NAC Vitamin Shoppe NAC
KAL NAC+ Puritan's Pride NAC Vitamin World NAC
Nature's Sunshine N-Acetyl Cysteine Solgar NAC Whole Foods NAC
Find the right NAC supplement for you, at the right price! Isn't your health worth it?
NAC (N-acetyl cysteine) is a supplement which the body converts into glutathione, an important antioxidant. Supplementation may be helpful for reducing symptoms of the flu and flare-ups of chronic bronchitis and COPD. NAC may also be beneficial in Sjogren's syndrome, renal failure, schizophrenia, compulsive behavior, and polycystic ovary disease. 

We independently and rigorously tested the quality 
of many popular NAC supplements on the market. Among the products that passed testing, the cost to obtain an equivalent dose of NAC ranged from just 9 cents to 70 cents -- meaning that you can save a lot by shopping wisely. Some products contain added ingredients, but it may not be worth paying more for these. We also found that the daily suggested dose ranged just 500 mg to 1,800 mg, so it's critical that you know how much you really need rather than rely on labels.  

You must be a member to get the full test results for
NAC supplements along with ConsumerLab.com's recommendations and quality ratings. You'll get results for ten NAC supplements selected by ConsumerLab.com and for four others that passed the same testing through CL's voluntary certification program, as well as information about another product very similar to one of those that passed testing. 

In this comprehensive report, you'll discover:
    • Which NAC supplements passed or failed our tests
    • Which of the best NAC supplements provide the greatest value, i.e., high-quality NAC at lowest cost
    • Why additional ingredients are sometimes added to NAC supplements and whether they matter
    • What "free form" NAC means and whether it's important to look for it on labels
    • Dosage of NAC for specific uses — as well as the evidence for or against these uses 
    • Concerns, cautions, and potential side effects with NAC

If you already are a member, SIGN IN now.
ConsumerLab.com Answers -- for N-Acetyl Cysteine Supplements
Question:
If I buy NAC as a loose powder in a large bag, as opposed to in tablet form, will it spoil? I've heard it can spoil or degrade into a harmful by-product. Get the answer >>

Question:
Is it true that NAC can help clear nasal passages? Get the answer >>

Question:
Which supplements can help treat constipation? Get the answer >>
#187#

Follow ConsumerLab.com on Twitter    |     Become a Fan on Facebook
Join | Sign In
Home | Product Tests | Brands Tested | Health Conditions | Encyclopedia | CL Answers | Clinical Updates | Where to Buy Products
News | Recalls & Warnings | RDAs | Raw Materials Tests | Testing Programs | The CL Seal | CL Survey | About Us
In The News | Group Subscription | Gift Memberships | Join Free Newsletter | Privacy Policy | Site Map | Testimonials | Contact Us/Help

©2017 ConsumerLab.com, LLC. All rights reserved. A single copy of a report may be printed for personal use by the subscriber.
It is otherwise unlawful to print, download, store or distribute content from this site without permission.
ConsumerLab.com name and flask logo are both registered trademarks of ConsumerLab.com, LLC.
This site is intended for informational purposes only and not to provide medical advice.