The users of the FDA include a wide range of individuals and organizations, including:

Consumers: The FDA is responsible for ensuring that the products it regulates are safe and effective for use by the general public.

Manufacturers and importers: The FDA sets standards for the manufacturing, labeling, and testing of the products it regulates, and requires manufacturers and importers of these products to follow these standards.

Healthcare professionals: The FDA is responsible for approving drugs and medical devices for use by healthcare professionals, and provides guidance and information to these professionals on the safe and effective use of these products.

Regulatory agencies and other government agencies: The FDA works with other regulatory agencies and government agencies, both at the federal and state level, to coordinate efforts to protect public health.

Researchers: The FDA supports and regulates research on products that it regulates, and provides guidance to researchers on the conduct of clinical trials and other types of research.

Industry organizations and trade associations: The FDA works with industry organizations and trade associations to promote compliance with its regulations and to ensure the safety and effectiveness of the products it regulates.