N-Acetyl L-Cysteine (NAC) is a supplement form of the amino acid cysteine. Amino acids are the building blocks of protein in our bodies and play multiple roles in maintaining our health. NAC has a molar mass of 163.195 g·mol−1 and the chemical formula C5H9NO3S.
N-Acetyl L-Cysteine supplement Benefits and Uses
NAC is required for the production of an important anti-oxidant glutathione. As a supplement, it is therefore taken primarily taken for its perceived role in antioxidant production and liver detoxification.
N-Acetyl L-Cysteine supplements are also known by a few different names, including:
- Cysteine Hydrochloride
- Acetylcysteine
- Fabrol
- L-Cysteine
Scientific consensus
Supplementing with this product is likely to be safe, taken at dosages between 600–1,800 mg/day. N-Acetyl L-Cysteine may cause side effects including nausea, vomiting, diarrhea, and constipation.
WARNING: Do not take N-Acetyl L-Cysteine with a class of medications called nitrates, especially Nitroglycerin.