Drug Information Resources : A Guide for Pharmacists
DrugBank – Open Data Drug & Drug Target Database
Drugs.Com - free, peer-reviewed data on more than 24,000 prescription drugs, OTC medicines and natural products
American Society of Pharmacognosy.
Dietary supplements labels database: brands, ingredients, and references:
DrugDigest: herbs and supplements.
MedlinePlus. Herbs and supplements.
National Institutes of Health. Office of Dietary Supplements.
National Institutes of Health. National Center for Complementary and Alternative Medicine.