The drug information available from MedlinePlus includes herbal supplement information from the Natural Medicines Comprehensive database - consumer version.
A resource from the National Library of Medicine and the Food and Drug Administration. Identify unknown solid-dosage medications (tablets/capsules) based on physical characteristics with high-resolution images.
NOTE: TOXNET HAS MOVED
As part of a broader NLM reorganization, most of NLM's toxicology information services have been integrated into other NLM products and services.