A formulation matters
Inhaled acetylcysteine is used medically to make respiratory secretions less viscous. A supplement capsule is a different route.
Follow the sourceOPENING THE FIELD GUIDE
N-acetylcysteine can thin mucus and help replenish glutathione. Medical formulations and oral supplement claims need separate interpretation.
Inhaled acetylcysteine is used medically to make respiratory secretions less viscous. A supplement capsule is a different route.
Follow the sourceNAC helps raise intracellular glutathione, a molecule involved in antioxidant defence.
Follow the sourceHealth Canada’s oral NHP monograph describes antioxidant claims. It does not supply a general lung-cleansing claim.
Follow the sourceMuch respiratory research involves inhaled medicine. It cannot establish that an oral supplement cleans healthy lungs or replaces prescribed care.
The Canadian oral NHP monograph excludes use with antibiotics or nitroglycerin, and calls for advice with pregnancy, breastfeeding or kidney stones.
Compare evidence for the exact formulation. Brand age and marketing claims do not earn quality points.