Vitacheck NAC 600mg Capsules, N Acetyl L-Cysteine, Immune Health, Supports Lung and Liver Health, 150 Vegetable Capsules

Vitacheck NAC Details

Vitacheck NAC 600 mg is a single-ingredient N-Acetyl-L-Cysteine supplement made in Canada. Each capsule contains 600 mg of pure NAC, the precursor your body uses to make glutathione — one of the body's main antioxidants. 150 vegetable capsules per bottle (a 5-month supply at one capsule a day).

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Quick Facts

Who Vitacheck NAC Is For

• People taking NAC for respiratory support — NAC helps thin and clear mucus
• People focused on liver health — NAC supports the body's natural detox pathways
• Anyone wanting a single-ingredient NAC supplement, not a multi-ingredient lung formula
• Daily NAC users who want a 150-count bottle at one of the lowest costs per capsule in Canada
• Shoppers who want vegan-friendly NAC without paying for premium brand markup

Who this product is NOT for: If you have asthma or a serious lung condition, talk to your healthcare practitioner before using NAC. If you take nitroglycerin or certain antibiotics, NAC can interact — check with your practitioner first. Don't combine with activated charcoal.

Vitamart's Take

Vitacheck NAC is a single-ingredient N-acetyl-L-cysteine (NAC) supplement that supports the body's antioxidant defences and respiratory wellness. NAC is a compound the body uses to make glutathione, one of its own key antioxidants. This formula delivers NAC on its own, with no added blends. It's a Vitamart Exclusive brand, made in Canada and vegan-friendly.

How Vitacheck NAC Compares

Vitacheck NAC vs Branded NAC Supplements

Vitacheck NAC: 600 mg per capsule, 150 capsules per bottle. A Vitamart Exclusive brand priced lower because you're not paying for outside marketing or premium packaging.
Branded NAC: Often the same 600 mg dose at a higher price. Quality is generally equivalent for a single-ingredient supplement — always compare cost-per-capsule.

Vitacheck NAC vs Multi-Ingredient Lung Formulas

Vitacheck NAC: Just NAC — a fit if you already take a multivitamin, vitamin C, and zinc separately, or you only want NAC.
Multi-Ingredient Lung Formulas (like CanPrev Healthy Lungs): Combine NAC with quercetin, vitamin C, zinc, and other respiratory and immune nutrients in one bottle. A fit if you want broader respiratory support in fewer bottles.

Vitacheck NAC vs L-Cysteine or Glutathione Supplements

Vitacheck NAC: NAC (the acetylated form of L-cysteine) is more stable and better absorbed than plain L-cysteine. Your body uses NAC to make its own glutathione.
L-Cysteine or Glutathione: Plain L-cysteine is less stable. Direct glutathione supplements are larger molecules that may be broken down before absorption — supporting your body's own glutathione production through NAC is often more effective.

What Is NAC and What Does It Do?

NAC (N-Acetyl-L-Cysteine) is a modified form of the amino acid L-cysteine. The body uses NAC in two main ways:

• Glutathione production: Cysteine is the rate-limiting building block for glutathione, the body's main antioxidant. NAC gives your body what it needs to make glutathione on its own.
• Mucus thinning: NAC breaks the bonds that make mucus thick and sticky, helping the body clear it from the respiratory tract more easily. This is why NAC is commonly used for lung and respiratory support.

NAC has been used in medicine for decades and is a well-researched supplement ingredient. Daily doses of 600–1,200 mg are typical for general respiratory and antioxidant support.

How To Use

Adults: Take 1 capsule daily with food, or as directed by your healthcare practitioner.

Talk to a healthcare practitioner before use if you are pregnant or breastfeeding, have asthma or another lung condition, have a medical condition, take medications (especially nitroglycerin or antibiotics), have a history of kidney stones (specifically cystine stones), or are scheduled for surgery. Do not take with activated charcoal.

Frequently Asked Questions

Pairs Well With

• Vitamin C Supplements — immune and antioxidant support
• Quercetin Supplements — commonly paired with NAC for respiratory support
• Zinc Supplements — immune support
• Glutathione Supplements — the antioxidant NAC supports the production of

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Compare Similar Products

• NAC Supplements — Compare NAC products from different brands and at different doses.
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• Liver Support Supplements — Supplements for liver health and natural detox pathways.
• Antioxidants — Glutathione, CoQ10, and broader antioxidant supplements.

About Vitamart and Vitacheck

Vitacheck is one of our Vitamart Exclusive brands — quality supplements made in Canada and priced for everyday value. We launched Vitacheck because we kept seeing customers paying premium prices for the same active ingredients sold under flashy brand names. Vitacheck cuts that out: same standardized doses, fair manufacturing, no marketing markup.

Vitamart.ca is Canada's vitamin specialist. We've been selling vitamins and supplements to Canadian families since 2005, shipping from our Ontario warehouse to every province. We believe in quality products you trust at prices you love — no fancy packaging markups, no pushy upsells, just the vitamins you need at the lowest prices in Canada. Backed by our Low Price Guarantee: find a lower advertised price at a Canadian competitor and we'll beat it by 1¢.

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Adults take 1 Vitacheck NAC 600mg capsule 1-2 times per day. Take with a protein containing meal. For freshness store in a cool, dry place.