FDA confirms N-acetyl-L-cysteine is excluded from the definition of a dietary supplement
USA
Apr 07, 2022
The U.S. Food and Drug Administration (FDA) denied the request in two citizen petitions, from the Council for Responsible Nutrition (CRN) and the Natural Products Association (NPA), asking the agency to determine that products containing N-acetyl-L-cysteine (NAC) are not excluded from the definition of a dietary supplement under section 201(ff)(3)(B)(i) of the Federal Food, Drug, and Cosmetic Act (FD&C Act).
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