A white bottle labeled Thorne NAC N-Acetylcysteine Dietary Supplement with abstract green and blue watercolor design, containing 90 capsules, shown on a plain light background. White supplement bottle with minimalist icons and text. The label mentions Liver/Detox† and Respiratory Support†, suggested use instructions, tamper-evident details, and a Gluten Free symbol at the bottom. White supplement bottle with a label showing Supplement Facts: one capsule contains 500 mg N-Acetyl-L-Cysteine, plus hypromellose, leucine, and silicon dioxide. Thorne Research, Inc. is listed as the manufacturer. A white bottle of Thorne NAC (N-Acetylcysteine) dietary supplement sits on a white surface with a single capsule nearby. A green plant and geometric white shapes are in the background with bright, natural lighting. Text on a green background about 3,000 banned ingredients and a higher standard for home products.
A white bottle labeled Thorne NAC N-Acetylcysteine Dietary Supplement with abstract green and blue watercolor design, containing 90 capsules, shown on a plain light background.

Thorne NAC - N-Acetylcysteine

90 count

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Supports respiratory health and detoxification with boosted glutathione levels.*.
  • Enhances optimal function of lungs, liver, kidneys, and immune system.*.
  • Helps break up mucus, making it easier to clear from congested lungs and sinuses.*.
Purchase options

NAC - N-Acetylcysteine $33.00

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

NAC (N-Acetylcysteine) is an amino acid that supports comprehensive wellness, including lung, liver, and kidney health, as well as immune function.*

As a potent antioxidant, it increases glutathione levels, which supports respiratory health and detoxification in the liver and kidneys.*

*Note: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Consult your physician before adding a dietary supplement to your diet.

One Capsule Contains:

  • N-Acetyl-L-Cysteine 500 mg.

Other Ingredients: Hypromellose (derived from cellulose) capsule, Leucine, Silicon Dioxide.

Take 1 capsule two to three times daily or as recommended by a health-care practitioner.

Grove Values

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Wellness, proven and transparent

Thorne began with a biochemist’s vision: supplements should be grounded in clinical research and ingredient integrity. Every formula is made without unnecessary additives, using carefully sourced ingredients that are fully disclosed and traceable. Third-party testing and NSF Certified for Sport® standards ensure each supplement meets the highest bar for families who want to know exactly what they’re putting in their bodies.

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3,000+ BANNED INGREDIENTS

Wellness formulas you can trust.

Every wellness product is reviewed by experts and screened for ingredients and materials that align with Grove’s strict standards — so you can feel good about what you and your family rely on to feel your best.

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Vetted for ingredient integrity

No artificial colors, flavors, or phthalates — all common in mainstream products

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No unnecessary extras

Free from artificial dyes, talc, titanium dioxide, and magnesium stearate

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Less plastic, fewer microplastics

Prioritized packaging options that reduce plastic waste and microplastic exposure

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Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog

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