Effect Index, which is currently under construction, is a resource dedicated to establishing the field of formalised subjective effect documentation. It is the home of the Subjective Effect Index (SEI), which contains 233 effect descriptions that exist to serve as a comprehensive map of all potential experiences that can occur under the influence of any class of psychoactive compound, particularly hallucinogens.

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Featured Reports

Recommended firsthand accounts of hallucinogenic experiences
2C-E
25mg Oral
Ayahuasca
2g Syrian Rue / 1g Mimosa Hostillis Oral
Salvia divinorum
2 bowls of 20x extract Smoked
by Kaylee
Combination
4-HO-MET
60mg Oral
by Kaylee
DMT
50mg Smoked
by nervewing
MXPr
60mg Intranasal
by Sedric Lightbury
DPH
2000mg Oral
For more, see the reports section.