For more information, please contact Herbwatch Research Team at herbwatch@bcm.tmc.edu

• ConsumerLab
• The International Bibliographic Information on Dietary Supplements (IBIDS) Database—Office of Dietary Supplements, National Institutes of Health

• Articles Concerning Drug-Herb and Drug-Nutrient Interactions
• Herb and Drug Interaction

• Alternative Medicine Review
• BMC Complementary and Alternative Medicine
• EBSCO Alt HealthWatch
• Journal of Herbal Pharmacotherapy

• AboutHerbs at Memorial Sloan-Kettering Cancer Center
• Facts About Dietary Supplements from the National Institutes of Health Clinical Center
• Harvard Medical School Consumer Health Information
• Herbal Safety, University of Texas El Paso/Austin Cooperative Pharmacy Program and Paso del Norte Health Foundation(The site contains English-Spanish and Spanish-English herbal fact sheets)
• Herbalgram
• HerbMedÒ, The Alternative Medicine Foundation, Inc.
• Natural Medicines Comprehensive Database
  (By subscription only)
• Natural Standard Database
  (By subscription only)
• The Illustrated Herbal Encyclopedia, Hawthorn Herbal Press
• The Longwood Herbal Task Force
• The Natural Pharmacist
• University of Washington Medicinal Herb Garden

• Complementary and Alternative Medicine Center at the Mayo Clinic
• Food and Drug Administration Warnings and Safety Information on Dietary Supplements
• Food and Nutrition Information Center at the National Agricultural Library
• Harvard Medical School Osher Institute
• Herb Research Foundation
• Herbalinks, The Division of Drug Information Service,
  The University of Iowa College of Pharmacy
• MEDLINEplus on Herbal Medicine, National Library of Medicine and the National Institutes of Health
• National Cancer Institute at the National Institutes of Health
• National Center for Complementary and Alternative Medicine at the National Institutes of Health
• Office of Dietary Supplements at the National Institutes of Health
• The University of Texas M.D. Anderson Cancer Center
• US Pharmacopeia
• White House Commission on Complementary and Alternative Medicine Policy