An official website of the United States government
Here’s how you know
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Companies must support their advertising claims with solid proof. This is especially true for businesses that market food, over-the-counter drugs, dietary supplements, contact lenses, and other health-related products.