NAC Capsules | N-Acetyl Cysteine Mother Nature Organics NAC Capsules provide N-acetyl-L-cysteine, a form of the amino acid cysteine, from our Professional Line. Choose the strength that fits your routine: 600 mg or 900 mg. N-Acetyl-L-Cysteine in vegetarian capsules 600 mg: 600 mg per 1-capsule serving · 120 capsules · 120 servings 900 mg: our higher-strength option Non-GMO · Gluten-free · Lab verified · Made in a GMP-certified facility Free shipping on orders $49+ How to use: Follow the suggested use printed on your bottle. For the 600 mg bottle, the label suggests 1 capsule daily, or as directed by your health care provider. Other ingredients (600 mg): veggie capsule, microcrystalline cellulose, magnesium stearate. 600 mg or 900 mg? Both are the same N-acetyl cysteine in vegetarian capsules. The 600 mg bottle is our everyday strength; the 900 mg bottle gives you more NAC in each capsule. Pick the one that suits you, or ask your health care provider which is right for you. Why Mother Nature Organics Since 2016, Mother Nature Organics has focused on clean, simple supplements, and our Professional Line is lab verified for quality. Every bottle is backed by our 60-day money-back guarantee. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.