Find patient medical information for N-Acetyl Cysteine (NAC) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Acetylcysteine (oral): side effects, dosage, interactions, FAQs, reviews. Used for: acetaminophen overdose, diagnostic bronchograms, dietary supplementation. N-acetylcysteine (NAC) supplements, known for antioxidant properties, are FDA-approved as an add-on treatment for certain lung conditions. Learn more. Learn about N-acetylcysteine (NAC), its uses, and potential risks. Understand how NAC may benefit your health and what precautions to consider before using it. N-acetylcysteine (NAC) is a glutathione precursor with established antioxidant and anti-inflammatory properties that has been investigated as a neuroprotective agent across multiple neurological conditions. This systematic review systematically mapped the clinical evidence for NAC across seven neurological disorders. General Acetylcysteine, or N -acetylcysteine (NAC), is a medication that is used to treat acetaminophen overdose. It can also be used as a nebulized medication to help loosen thick pulmonary sections. When acetaminophen is taken in large doses, a toxic metabolite N-acetyl-pbenzoquinone imine (NAPQI) accumulates in the body. Acetylcysteine or N-acetylcysteine (NAC; not to be confused with N -acetylcarnosine, which is also abbreviated NAC) is a mucolytic that is used to treat paracetamol (acetaminophen) overdose and to loosen thick mucus in individuals with chronic bronchopulmonary disorders, such as pneumonia and bronchitis. [10][13] It has been used to treat. N-acetyl cysteine (NAC) is the supplement form of the amino acid cysteine, which plays several important roles in human health. Here are the top 9 health benefits of NAC. Learn all about NAC (N-acetyl cysteine) and liver health, its potential to repair liver damage, and how to take NAC safely. NAC (oral): side effects, dosage, interactions, FAQs, reviews. Used for: dietary supplementation.