American Herbal Pharmacopeia

Although there is limited information regarding the therapeutic efficacy and standards for herbals some resources do exist. The most widely recognized source is the German E Commission E monographs, which contain information on more than 300 herbal products. Other well referenced resources include the American Herbal Pharmacopeia, the British Herbal Pharmacopeia (BHP), the British Herbal Compendium, the European Scientific Cooperative for Phytomedicines (ESCOP), the U.S. Pharmacopeia, and the World Health Organization (WHO). 

The National Institute of Health, Office of Alternative Medicine is setting out to research herbal therapies and other alternative therapies. The United States Pharmacopeia (USP), the World Health Organization (WHO), and the American Herbal Pharmacopeia (AHP) are developing herbal therapeutic monographs. 

R. Upton, ed.. Cramp bark (Viburnum prunifolium), American Herbal Pharmacopeia, Santa Cruz, CA, 2000. 

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