What It Actually Is
N-Acetylcysteine is a modified form of the amino acid cysteine, and a precursor to glutathione, one of the body's key antioxidants.
What Research Generally Shows
NAC has a substantial research base for respiratory support, including studies on mucus clearance and antioxidant activity in the lungs.
An Important Interaction
NAC may interact with blood-thinning medication. If you take a blood thinner, talk to your doctor before using this product.