The U.S. Food and Drug Administration (FDA) is a federal agency responsible for protecting public health by ensuring the safety and effectiveness of food, drugs, and medical devices. It regulates a wide range of products, including prescription medications, over-the-counter drugs, vaccines, and dietary supplements. The FDA also oversees food safety and labeling, ensuring that consumers have access to safe and accurately labeled products. In addition to product regulation, the FDA conducts scientific research and provides guidance to manufacturers. The agency plays a crucial role in evaluating new treatments and therapies, helping to bring innovative medical solutions to the market while ensuring they meet safety standards.