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American Herbal Pharmacopoeia®
AHP is a non-profit 501(c)(3) educational organization dedicated to promoting the responsible use of herbal products and herbal medicines. Our work relies on a worldwide network of experts, including botanists, chemists, herbalists, medical doctors, pharmacists, and pharmacologists.
AHP Monographs
AHP produces critically reviewed herbal monographs that represent the most comprehensive and authoritative documentation on herbal medicines in the English language. Visit the AHP Shop to purchase monogrpahs in print or downloadable PDFs.
Botanical Reference Materials
AHP provides verified botanical reference standards to natural products manufacturers, medical libraries, analytical labs, and research institutions, worldwide.
Botanical Identification Services
AHP offers a range of botanical identification services. Customers can provide their own specimen for authentication or AHP can arrange for a specimen to be ethically collected on their behalf.
AHP Membership
All AHP members receive exclusive benefits, including a digital subscription to AHP’s News & Views updates and our quarterly Herbal QRS (Quality, Research, Safety) Bulletin.
AHP Monographs Under Development Devil's Club (Oplopanax horridus)

“Oplopanax is the most revered medicine of the Pacific coast Native people, and AHP is uniquely positioned to combine the wealth of traditional knowledge with the scientific research on this widely used herb not currently documented in any modern monograph.”  –  Dr Eric Yarnell, Professor of Botanical Medicine at Bastyr University


Meet AHP

The American Herbal Pharmacopoeia® relies on the expertise of a worldwide network of medicinal plant experts. These efforts are supported by the following team of dedicated individuals in our California office.

Roy Upton, RH, DipAyu


Diana Swisher, MAyu

Administrator / Operations Manager

Mark Keller

AHP BRM Fulfillment Manager

Cathirose Petrone, MA

Writer and Editor / PR Director

AHP Releases New Lycium (Goji) Fruit (Lycium barbarum, L. chinense) MonographORDER NOW