N-acetyl L-cysteine
What is N-acetyl L-cysteine?
N-acetyl L-cysteine (NAC) is a modified form of the amino acid cysteine. It is produced industrially through chemical synthesis, often starting from duck feathers or human hair, though synthetic routes not involving animal products are also used. NAC is used as a dietary supplement and in some pharmaceutical applications.
Is N-acetyl L-cysteine gluten-free?
N-acetyl L-cysteine is not derived from any of the nine FDA major allergens and does not contain gluten.
What is N-acetyl L-cysteine used for?
NAC is primarily added to foods and beverages as a nutrient or antioxidant.
Is N-acetyl L-cysteine safe?
N-acetyl L-cysteine is generally recognized as safe (GRAS) by the FDA for use as a dietary supplement.
Why it's used
NAC is primarily added to foods and beverages as a nutrient or antioxidant. It may be used to support the body's natural antioxidant defenses. It is found in powdered drink mixes and some beverages.
Health notes
N-acetyl L-cysteine is generally recognized as safe (GRAS) by the FDA for use as a dietary supplement. Regulatory bodies like JECFA and EFSA have evaluated related compounds, but specific evaluations for NAC in food applications may vary. Research into NAC's health effects is ongoing, with some studies exploring its potential benefits for respiratory conditions and as an antioxidant, though more research is needed to confirm these effects at typical dietary intake levels.
Allergen info
N-acetyl L-cysteine is not derived from any of the nine FDA major allergens and does not contain gluten.
Foods that contain N-acetyl L-cysteine
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