Same molecule as Now Foods NAC, Solgar NAC
The glutathione precursor your liver, lungs, and brain depend on. A pharmacy supplement, not a wellness trend.
N-Acetyl Cysteine 600mg 100ct. Precursor to glutathione, the body's master antioxidant. Used in hospital settings for acetaminophen overdose and as a respiratory mucolytic. Now available as a daily supplement.
Ships within 1 to 2 business days from our pharmacy. Free shipping on subscriptions and orders over $50.
The protocol.
- 1 capsule (600mg) daily with or without food
- For respiratory support during illness: 600mg twice daily
- Can be taken with vitamin C for enhanced absorption
- Allow 4 to 8 weeks for measurable glutathione effects
- Strong sulfur smell is normal for NAC products
Safe for. Use with caution.
Safe for
- Adults supporting liver function or glutathione production
- Patients with chronic respiratory conditions (with physician guidance)
- Adults exposed to environmental toxins or oxidative stress
- Daily long term use without dependence
Use with caution
- On nitroglycerin or other vasodilators. NAC may enhance vasodilation.
- Active peptic ulcer. NAC may worsen GI symptoms.
- Pregnancy. Generally considered safe but consult physician for ongoing use.
- Asthma patients with sulfite sensitivity. Discuss with physician.
Before you buy just the tablet, look at this.
Complete Digestive Wellness Kit$49.99
- NAC 600mg 100ct
- Probiotic 50 Billion CFU
- Psyllium Fiber Powder 425g
- Omega-3 Fish Oil 1000mg
Individual total: $60.96 → Kit: $49.99 → You save $10.97.
Plus you skip the $50 minimum entirely.
Get the Complete Kit. Best ValueThis product is new to the shop. Verified customer reviews will appear here as they come in. Have a question before then? Ask Dr. Mike.
Complete the protocol.
What chain pharmacies never explain.
N-Acetyl Cysteine (NAC) is one of the few supplements that started as a prescription medication and became available OTC. It's been used in hospitals since the 1960s as an antidote for acetaminophen overdose (by replenishing depleted glutathione in the liver) and as a respiratory mucolytic (thinning thick mucus in conditions like cystic fibrosis and COPD).
NAC is a precursor to glutathione, the body's master antioxidant. Glutathione is critical for liver detoxification, immune function, and protection against oxidative stress throughout the body. Direct glutathione supplementation is poorly absorbed. NAC supplementation effectively raises intracellular glutathione levels.
Beyond liver and respiratory uses, NAC has emerging evidence for supporting mental health (some psychiatric guidelines now recommend NAC adjunctive for OCD and other conditions), brain health (supports antioxidant defense in neurons), and general oxidative stress reduction in adults exposed to environmental toxins or chronic illness.
For daily wellness use, 600mg once or twice daily supports baseline glutathione production. For specific therapeutic applications (respiratory support during illness, post acetaminophen exposure, mental health adjunctive), higher doses may be appropriate under physician guidance.
NAC is one of the few supplements that started as a prescription medication and became OTC. We use it in hospital settings for acetaminophen overdose and as a respiratory mucolytic. As a daily supplement, the glutathione precursor activity supports liver detoxification, immune function, and oxidative stress reduction. This is a pharmacy supplement, not a wellness trend. Patients who would benefit most are those on multiple medications, with chronic respiratory conditions, or with significant environmental toxin exposure.
Dr. Mike Acheampong, PharmD, MPH. Fairview Pharmacy, Hattiesburg, MS.
Questions, answered.
Is this product third party tested?
Yes. Every product in the Fairview Wellness Essentials line meets at least one of these independent standards: USP Verified, NSF Certified, or ConsumerLab Tested. These organizations test for purity (no heavy metals or contaminants), potency (label dose matches contents), and dissolution (the tablet actually breaks down and absorbs). Third party verification is one of the three required tests every Wellness Essentials product must pass.
Will this interact with my prescription medications?
Many supplements interact with common prescriptions. Fish oil with warfarin can elevate bleeding risk. Vitamin K with warfarin destabilizes INR. Calcium with levothyroxine reduces thyroid absorption. Magnesium with bisphosphonates affects bone medication absorption. Before ordering, call the pharmacy for a free medication interaction review. Takes 10 minutes. Included with every order.
How soon will my order ship?
Orders ship within 1 to 2 business days from our pharmacy in Hattiesburg, Mississippi. You'll receive tracking once your package leaves the pharmacy. Free shipping on orders over $50. Kit purchases skip the $50 minimum and qualify for free shipping automatically.
What is your return policy?
30 day money back guarantee on unopened or opened products. If a supplement isn't working for you, return it for a full refund. If something arrives damaged or incorrect, contact us within 7 days and we'll make it right.
Can I use my FSA or HSA card?
Yes. Fairview Pharmacy accepts FSA and HSA cards for eligible products. Many vitamins and supplements qualify with a Letter of Medical Necessity from your physician. Contact us if you have questions about specific product eligibility.
One product is good. The kit is the protocol.
Dr. Mike doesn't hand patients single products. He hands them protocols. The Complete Digestive Wellness Kit is the full version of what most people need. And it skips the $50 minimum.