Provides a wide range of online health information directories on topics ranging from clinical trials, drugs and dietary supplements, general health information, and environmental health. The clinical trials database allows users to search by type of health condition and by location of trial. The Household Products Database provides information on the potential health effects of chemicals contained in common products. MedlinePlus offers information about various health issues, searchable by body location/system, type of disorder, as well as diagnostic tests and therapies.

Maintains a database of information about programs that offer free and/or discounted prescription drugs. Website does not save or share confidential information.