Adverse Effects/Safety and Standards

Food and Drug Administration - CAERS
  The FDA, Center for Food Safety and Applied Nutrition is developing a new system for tracking and analysing adverse event repors involving dietary supplements to replace the former contraversial Adverse Event Monitoring System. Details in this announcement.

ESCOP
  European Scientific Cooperative on Phytotherapy contains the herbal adverse drug reactions database, PhytoNet.

FDA: Poisonous Plant Database (PLANTOX)
  Little known resource compiled by D. Jesse Wagstaff, DVM, with plant names and citations accessable from an alphabetical listing.

Ohio State University - Herb and Drug Interactions
  Table of possible herb-drug interactions - referenced and authored.