The Food and Drug Administration (FDA) is an official agency of the United States government responsible for protecting public health by ensuring the safety, efficacy, and security of human and veterinary drugs, biological products, medical devices, the food supply, cosmetics, radiation-emitting products, and tobacco products.

The FDA's mission is to promote and protect public health through science-based regulatory oversight and innovation, ensuring that products regulated by the agency are safe and effective for consumers. It aims to advance drug development, improve regulatory decision-making, and provide guidance to industries to ensure compliance and consumer safety.