Environmental Health Perspectives (EHP) is a monthly journal of peer-reviewed research and news on the impact of the environment on human health. EHP is published by the National Institute of Environmental Health Sciences and its content is free online.

Herbs at a Glance is a series of fact sheets that provides basic information about specific herbs or botanicals -- commonnames, uses, potential side effects, and resources for more information.

The Dietary Supplements Labels Database is designed to help both the general public and health care providers find information about ingredients in brand-name products, the database includes name, form, active and inactive ingredients, amount of active ingredient, manufacturer/distributor information, label claims, warnings, percentage of daily value, and additional label information.