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N-Acetyl-Cysteine (NAC) 1000 MG

120 tabs

NOW Foods N-Acetyl-Cysteine: a pure, stable source of NAC for daily support.

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In stock. Next day delivery available.
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Recommended pairing

People complement N-Acetyl-Cysteine with magnesium as magnesium supports cellular energy and muscle function, enhancing the antioxidant and detoxification benefits of NAC for overall wellness.

Key Benefits

  • Delivers 1000 mg of N-acetyl cysteine in each serving.

  • Provides a stable, sulphur-containing amino acid.

  • Formulated without common allergens for broad suitability.

Start your routine with confidence—N-Acetyl Cysteine (NAC) offers a reliable form of the amino acid cysteine, a sulphur-based building block found in protein structures. This straightforward formula features only NAC as the active ingredient and is carefully crafted without wheat, gluten, soy, milk, egg, fish, shellfish, tree nut, or sesame, making it a versatile choice for a range of dietary needs.

Empowering healthier lives since 1968, NOW Foods began when Elwood Richard, a physical chemist, launched Health House, a chain of health food stores in Chicago. Inspired by his research on physical performance through nutrition, Elwood saw the need for affordable natural products. Facing competition from local supermarkets, he founded his own manufacturing company, ensuring cost-effective, high-quality health foods. NOW Foods, still family-owned, has since become a leading brand in the natural product industry, offering an extensive line of affordable, top-quality products. Elwood's vision of accessible health foods continues to drive the company today.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

N-Acetyl Cysteine (NAC) (1 g), Bulking Agent (Microcrystalline Cellulose), Capsule Shell (Hydroxypropyl Cellulose), Anti-Caking Agent (Stearic Acid (Vegetable Source)), Croscarmellose Sodium, Vegetarian Coating [Hypromellose (Cellulose), Stearic Acid (Vegetable Source), Sunflower Lecithin, Triethyl Citrate, Sunflower Oil] (Gluten), Anti-Caking Agent (Silicon Dioxide)

For allergens, see ingredients in Bold.

Take 1 tablet 1 to 3 times daily.

Store in a cool, dry place after opening.

​For adults only. Consult physician if pregnant/nursing, taking medication (especially nitroglycerin), or have a medical condition. Keep out of reach of children.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.

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Reviews

Taylor L.
Verified Buyer
23 days ago

Have used and will buy

Have used and will buy regularly reliable product
James G.
Verified Buyer
about 1 month ago

Good for reducing inflammation and

Good for reducing inflammation and recovery.
Ali S.
Verified Buyer
3 months ago

Amazing product

Amazing product
Dana C.
Verified Buyer
4 months ago

I am using it during

I am using it during my detox period.
Joanne O.
Verified Buyer
6 months ago

I bought this because I’ve

I bought this because I’ve read how good it is for people suffering with endometriosis. I’m taking 1 tablet twice a day and have to say I’ve noticed a definite improvement in daily pain symptoms. I’m also following an Anti inflammatory diet alongside and it’s the first time in years that I’ve not suffered with daily pain symptoms.
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Frequently asked questions

Every product undergoes our Healf Curation Process. With it, you can shop confidently knowing that every item has been tried and tested before it reaches you. Our Healf Curation Process includes three key steps: Brand Discovery, Expert Validation, and Community Testing. Through these, we assess quality, ingredients, effectiveness, and more, ensuring that every product empowers your wellbeing.

The Healf Source offers detailed insights into different aspects of wellbeing, as well as guidance, research, recipes, and more to help you invest in your personal wellbeing journey. You can also subscribe to our weekly newsletters for the latest updates at Healf and in the wellbeing industry. Subscribe via the sign-up block at the bottom of this page.

We love people who check ingredients as carefully as we do, so you'll find detailed information about the ingredients used on every product page (where applicable). If you see something you'd like to flag with us or have additional questions, please don't hesitate to get in touch—we'd love to hear from you.

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Healf Curation Process™

Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.

The Discovery

The Discovery

Our approach keeps us at the forefront of wellbeing. With our global network of health professionals and AI-powered trend analysis, we curate the leading supplements, tools, and tech that pioneer the industry.

Expert Validation

Expert Validation

Each product at Healf is carefully examined by a panel of industry specialists—including dieticians, personal trainers, psychologists, and sleep experts—to ensure it meets our high standards for quality, efficacy, and ingredient formulations.

Community Testing

Community Testing

By collaborating with a dedicated group of customers who test and review each product, we ensure that only those truly beneficial to your wellbeing are offered here at Healf.

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