Which organization is primarily responsible for regulating controlled substances?

The Drug Enforcement Administration (DEA) is the key authority in the United States responsible for enforcing the controlled substances laws and regulations. This organization formulates and implements policies on drug enforcement, oversees the registration of pharmaceutical manufacturers, distributors, and dispensers, and ensures compliance with the controlled substances act. The DEA's role involves investigating and prosecuting individuals and organizations involved in illegal drug trafficking, thus playing a critical role in maintaining drug safety and public health regarding controlled substances.

In comparison, the Food and Drug Administration (FDA) oversees the approval and regulation of all drugs and food products, ensuring they are safe and effective for public use, but it does not specifically regulate controlled substances as its primary function. The American Pharmacists Association (APhA) is a professional organization focused on supporting pharmacists and advancing the pharmacy profession, but it does not have regulatory authority over controlled substances. Lastly, the National Association of Boards of Pharmacy (NABP) provides support and resources for state pharmacy boards but serves more as a coordinating entity for pharmacy regulation rather than directly regulating controlled substances itself.