This handy reference provides quick at-a-glance information on herbs and supplements-including 85 herbs, 80 supplements, and 75 conditions. Extremely thorough, it offers reliable references and a unique system that rates the current knowledge of therapeutic efficacy for each herb/supplement used in a particular treatment. Content is consistently structured and features an Appendix on Clinically Tested Brands at the end of the book. This convenient, pocket sized reference focuses on the issues most relevant to actual clinical practice, such as drug interactions, safety issues, and identification of the natural products patients may be using. Bonus: Strength of evidence scale ranks therapies to quickly assess the evidence behind natural therapies.