About N-Acetyl Cysteine

Precursor to glutathione, the body's master antioxidant.

Official resources

Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.

Dietary Supplement Label Database

Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).

DSLD group id
528

Compare All Forms

2 forms

Compare supplement forms of N-Acetyl Cysteine by absorption quality and what your body actually gets from each:

High Moderate Low
Form Absorption Steps to absorb Notes Action
N-Acetyl Cysteine — — — View →
N-Acetyl Cysteine (NAC)
  • Label category: Synthetic
— — — View →

Type: Herbs

Plant-based supplements derived from leaves, roots, flowers, or other plant parts. Often used in traditional medicine systems.

Absorption: Many herbs require specific extraction methods or co-factors (like piperine for curcumin) for optimal absorption.

Interactions: Herbs can have significant drug interactions. Some herbs have blood-thinning effects. Consult healthcare provider before use.

Potential Benefits

Benefits associated with N-Acetyl Cysteine forms:

Potential Side Effects

Side effects associated with N-Acetyl Cysteine forms: