MedlinePlus Drugs, Herbs, & Supplements
Learn about your prescription drugs and over-the-counter medicines, including information on side effects, dosage, and special precautions.

Daily Med
Look up trustworthy information about marketed drugs in the United States.

Dietary Supplement Label Database
Locate label information from dietary supplement products marketed in the U.S.

Mayo Clinic Drugs and Supplements
Database to search prescriptions and over-the-counter drug information. Includes herbs, supplements, and vitamins.

Drug Facts
Find information on drugs that people use or misuse, addiction, treatment and recovery, and how to prevent drug abuse.

Herbs at a Glance
Find basic information about herbs and botanicals such as common names, what the science says, potential side effects and cautions, and resources for more information.