This new and updated reference is based on the original, renowned Commission E translation by the American Botanical Council.

New in-depth overview on 107 monographs with clinical research

Expanded sections on chemistry and pharmacology

More on dosage and administration

Extensive references

Full color photos

"The most authoritative, comprehensive, and affordable guide for anybody who wants to use herbal remedies wisely and safely."

-Jean Carper, best-selling author of Miracle Cures and columnist for USA Weekend.