Tag: Regulatory policy

Under the Controlled Substances Act, the Drug Enforcement Administration (DEA) classifies drugs into five distinct schedules based on their potential for abuse and accepted medical use. Understanding **what are Schedule 3 and 4 drugs** is essential for patients and healthcare providers to distinguish their relative risks and regulations.

In July 2020, the FDA issued warning letters citing a decades-old legal provision, which caused confusion and led retailers like Amazon to restrict sales of NAC supplements. This sparked the widespread question, **why is NAC banned**, and ignited a major regulatory debate over the status of N-acetyl cysteine as a dietary ingredient.