NOW NAC 600 mg Supplement – N-Acetyl Cysteine with Selenium for Antioxidant & Cellular Support, 100 Capsules

Product Description

NOW Foods NAC 600 mg with Selenium is a vegetarian capsule supplement designed to support cellular health, free radical protection, and antioxidant wellness. Each capsule provides 600 mg of N-Acetyl Cysteine, a stable form of the amino acid cysteine that helps support the body’s natural glutathione production.

This formula also includes selenium from L-Selenomethionine, an essential trace mineral involved in antioxidant enzyme activity. Together, NAC and selenium offer targeted support for adults seeking daily antioxidant, liver wellness, and cellular defense support.

Key Benefits

• Supports cellular health and antioxidant protection
• Provides 600 mg NAC per capsule
• Includes selenium for antioxidant enzyme support
• Supports natural glutathione production
• Vegetarian capsules with no dairy, soy, egg, or nuts
  

Product Information Table

Supplement Facts Table

Ingredients Table

Dosage & Usage Instructions

Suggested use: Take 1 capsule twice daily, preferably with meals and a full glass of water.

Best time to take: NAC may be taken in the morning and evening with food. Taking it with meals may be easier on sensitive stomachs.

Foods to take with: Take with a balanced meal or light snack. Pairing with water and food may support comfortable digestion.

Foods or habits to avoid: Avoid taking this supplement with alcohol. Alcohol can increase oxidative stress and may work against the wellness goals of NAC supplementation.

Hydration tips: Drink enough water throughout the day. Since NAC supports normal antioxidant and detoxification pathways, proper hydration is helpful for daily wellness.

Daily vs. cyclic use: This product may be used daily as directed on the label. If using NAC long term, consider discussing duration and dosage with a healthcare professional.

What to expect: NAC is not a stimulant and should not be expected to create an immediate energy effect. Benefits are generally associated with consistent daily use as part of a healthy routine.

Storage: Keep the freshness packets inside the bottle until empty. Keep the bottle tightly closed between uses and store in a cool, dry place after opening.

Natural variation: Natural color variation may occur. Speckling inside capsules can happen and does not affect product quality according to the manufacturer.

Warnings: For adults only. Consult a physician before use if pregnant, nursing, taking medication, or managing a medical condition. Keep out of reach of children. Do not eat the freshness packets enclosed.

Medication caution: People using prescription medications, especially nitrate medications such as nitroglycerin or blood-thinning therapy, should ask a healthcare professional before using NAC. General anticoagulant guidance recommends speaking with a clinician or pharmacist before adding any supplement while taking anticoagulants. Pregnancy medication safety also requires individualized medical guidance.

Ingredient-by-Ingredient Breakdown

N-Acetyl Cysteine NAC: A stable form of cysteine, a sulfur-containing amino acid. Its main role in this supplement is to support glutathione formation, cellular health, and free radical protection.

Selenium from L-Selenomethionine: An essential trace mineral included to support antioxidant enzyme function and cellular protection.

Hypromellose cellulose capsule: A vegetarian capsule shell used instead of gelatin.

Stearic Acid vegetable source: A plant-derived manufacturing aid used to help maintain capsule consistency.

Citric Acid: Used as part of the formula to support stability.

Microcrystalline Cellulose: A plant-derived filler and stabilizer used to maintain capsule structure and ingredient consistency.

Formulation Synergy

This formula combines NAC with selenium to support antioxidant activity from two complementary angles. NAC supports the body’s production of glutathione, while selenium supports antioxidant enzyme systems. The vegetarian capsule and supporting excipients help keep the formula stable, consistent, and suitable for users avoiding gelatin-based capsules.

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