N-Acetyl Cysteine (NAC), a derivative of the amino acid cysteine, has gained considerable attention in the health and wellness community in recent years for its wide range of benefits, drawing attention from researchers and health enthusiasts alike. In 2022, NAC faced a period of controversy when the FDA temporarily banned its sale. The cause of this ban was rooted in the unique classification of NAC; having gained approval as a drug in 1963, the FDA stated that it could not be considered a conventional dietary supplement. This led to concerns regarding the safety, availability, and legitimacy of a supplement that had become integral to many. Later in 2022, the FDA revised its position, opting to allow the sale of NAC while establishing clear guidelines to ensure responsible marketing to ...