http://ldspmr35vc2r2adhgsxvjm4o6gs7bjf6qvtcslmnosydcjigqkojrwqd.onion/dir/lsd.html
It is used mainly as a recreational drug and for spiritual reasons.
LSD does not appear to be addictive, although tolerance may occur with use of increasing doses. Adverse psychiatric reactions are possible, such as anxiety, paranoia, and delusions.