"This revised and expanded 2nd edition of the classic reference has over 200 new entries and now covers over 18,000 drug-herb-vitamin interactions.Every day, tens of millions of people take prescription or OTC drugs as well as vitamins and natural medicines without knowing which combinations are helpful, and which can harm or even kill them.Based on the most comprehensive natural medicine database, Healthnotes®, this completely revised edition has all the new high-profile drugs and offers a more user-friendly design. The information is backed by the latest research culled from 550 medical journals. The only book of its kind, this is an essential and comprehensive resource for every consumer of dietary supplements."