About Natural Factors – N-Acetyl-L-Cysteine Amino Acid 500 mg (90 Capsules)
Natural Factors N-Acetyl-L-Cysteine (NAC) delivers 500 mg of pharmaceutical-grade N-Acetyl-L-Cysteine per vegetarian capsule, providing a high-quality source of this well-researched amino acid derivative. Each batch is formulated to Natural Factors’ rigorous quality standards, making it a reliable addition to a balanced supplement routine.
N-Acetyl-L-Cysteine is a stable, bioavailable form of the amino acid L-Cysteine. It is widely used to support the body’s natural antioxidant defences, as cysteine is a precursor to glutathione, one of the body’s key endogenous antioxidants. This product is suitable for those seeking a straightforward, clean-label NAC supplement with no unnecessary additives.
Encapsulated in a vegetarian capsule shell with a minimal excipient profile — rice powder and vegetable-grade magnesium stearate — this formula is free from gluten, dairy, soy, corn, egg, fish, shellfish, and GMOs, making it appropriate for a wide range of dietary preferences and sensitivities.
Nutrition Facts
| Nutrient | Per serving |
|---|---|
| N-Acetyl-L-Cysteine (Pharmaceutical Grade) | 500 mg ** |
** Daily Value not established.
Serving Size: 1 Vegetarian Capsule | Servings Per Container: 90
Ingredients
Medicinal Ingredient: N-Acetyl-L-Cysteine (Pharmaceutical Grade) 500 mg. Other Ingredients: Rice powder, magnesium stearate (vegetable grade).
Capsule shell: Vegetarian capsule (carbohydrate gum [cellulose], purified water).
Usage & Dosage
1 capsule 2–3 times per day or as directed by a health professional.
Warnings
As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery. Keep out of the reach of children. Sealed for your protection. Do not use if seal is broken.
Allergen Information
Contains no artificial colors, preservatives, or sweeteners; no dairy, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, salt, tree nuts, or GMOs.
Storage
For freshness, store in a cool, dry place.
Dietary Information
- Vegetarian
- Gluten Free
- Lactose Free







