N,N-Diallyl-5-methoxytryptamine (N-Allyl-N-[2-(5-methoxy-1H-indol-3-yl)ethyl] prop-2-en-1- amine, 5-MeO-DALT) is a psychedelic tryptamine first synthesized by Alexander Shulgin. N,N-Diallyl-5-methoxytryptamine is used as a hallucinogenic drug has been reported only occasionally in online user fora. It is controlled in only a few countries worldwide. There is little scientifically-based literature on the pharmacological, physiological, psychopharmacological, toxicological and epidemiological characteristics of 5-MeO-DALT. Most of the information published on the effects of 5-MeO-DALT is derived from first-hand personal accounts presented in discussion fora. User reports suggest that its effects are felt within 15 min of being taken orally, and its full effects within 30 min. User reports on 5-MeO-DALT state rapid, strong entheogenic effect, euphoric, sensual, energised bodies, visual hallucinations (similar to those experienced with MDMA), loss of control of limbs making walking difficult, and ‘out of body’ type experience Acute mental effects reported include: increased alertness and awareness, increased arousal, and agitation.