Erowid

Erowid, also called Erowid Center, is a non-profit educational organization that provides information about psychoactive plants and chemicals.

Erowid documents legal and illegal substances, including their intended and adverse effects. Information on Erowid's website is gathered from diverse sources including published literature, experts in related fields, and the experiences of the general public. Erowid acts as a publisher of new information as well as a library for the collection of documents and images published elsewhere. Provided by Wikipedia