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Amino acid derivative

N-Acetylcysteine

N-acetylcysteine, or NAC, is a cysteine derivative that supplies material for glutathione synthesis. As a medicine, it also thins mucus.

Also listed as N-Acetyl Cysteine, NAC, N-Ac, N-Acetyl-L-Cysteine

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What needs attention?

Oral acetylcysteine can cause nausea, vomiting and diarrhea. The UK product information warns about bronchospasm, particularly with asthma, and caution with a history of peptic ulcer. It also warns against combining it with cough suppressants and notes enhanced nitroglycerin effects. 1

For information, not individual medical advice. Ingredient studies do not establish the effectiveness of these products.

Sources