Table 3.

Human potency data for selected hallucinogens.

#	Compound	Human hallucinogenic potency (dose range in mg)	Arithmetic mean of the dose range		Salt form	Routea	Reference
1	LSD	0.06 – 0.2	0.13 mg	326 nmol	Hemitartrate	PO	(Shulgin and Shulgin 1997)
2	AL-LAD	0.08 – 0.16	0.12 mg	343 nmol	Hemitartrate	PO	(Shulgin and Shulgin 1997)
3	SS-LSZ	0.1 – 0.3	0.2 mg	487 nmol	Hemitartrate	PO	Erowid.com “common”
4	25I-NBOMe	0.5 – 0.7	0.6 mg	1.29 μmol	Hydrochloride	SL or BUC	Psychonautwiki.org “common”
5	DOB-DFLY	0.2 – 0.8	0.5 mg	1.51 μmol	Hydrochloride	PO	(Trachsel et al. 2013)
6	25I-NBOH	0.5 – 0.9	0.7 mg	1.83 μmol	Hydrochloride	SL or BUC	Psychonautwiki.org “common”
y	25D-NBOMe	0.8 – 1	0.9 mg	2.49 μmol	Hydrochloride	SL or BUC	Psychonautwiki.org “common”
s	DOB-FLY	1		2.99 μmol	Hydrochloride	PO	(Shulgin et al. 2011)
9	£-(-)-DOI	1 – 2.3	1.65 mg	5.14 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
10	DOB	1 – 3	2 mg	6.44 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
11	DOC	1.5 – 3	2.25 mg	8.45 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
12	DOET	2 – 6	4 mg	15.4 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
13	5-MeO-AMT	2.5 – 4.5	3.5 mg	17.1 μmol	Freebase	PO	(Shulgin and Shulgin 1997)
14	DOM	3 – 10	6.5 mg	26.5 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
15	DOBU	10		34.7 μmol	Hydrochloride	PO	(Braun et al. 1978)
16	2C-B-FLY	10 – 18	14 mg	43.7 μmol	Hydrochloride	PO	Psychonautwiki.org “common”
17	2C-I	14 – 22	18 mg	52.4 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
18	Psilocybin	10 – 20	15 mg	52.8 μmol	Freebase	PO	(Shulgin and Shulgin 1997)
19	4-HO-DIPT	15 – 20	17.5 mg	59.0 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1997)
20	5-MeO-DALT	12 – 25	18.5 mg	60.3 μmol	Hydrochloride	PO	Erowid.com “common”
21	2C-B	12 – 24	18 mg	60.7 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
22	4-HO-MPT	20 – 30	25 mg	71.8 μmol	Fumarate	PO	Psychonautwiki.org“common”
23	4-HO-DET	10 – 25	17.5 mg	75.3 μmol	Freebase	PO	(Shulgin and Shulgin 1997)
24	4-HO-MIPT	12 – 25	18.5 mg	79.6 μmol	Freebase	PO	(Shulgin and Shulgin 1997)
25	3C-P	20 – 40	30 mg	104 μmol	Hydrochloride	PO	Tripsit.me “common”
26	TMA-2	20 – 40	30 mg	115 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
27	MEM	20 – 50	35 mg	146 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
28	Proscaline	30 – 60	45 mg	163 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
29	3C-E	30 – 60	45 mg	163 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
30	DPT	30 – 70	50 mg	178 μmol	Freebase	IM	(Faillace et al. 1967; Soskin et al. 1973)
31	Escaline	40 – 60	50 mg	191 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
32	DET	50 – 70	60 mg	277 μmol	Freebase	IM	(Boszormenyi et al. 1959; Szara et al. 1966)
33	DMT	50 – 100	75 mg	398 μmol	Freebase	IM	(Szara 1957; Gillin et al. 1976)
34	MDA	80 – 160	120 mg	556 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
35	TMA	100 – 250	175 mg	669 μmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)
36	Mescaline	178 – 356	267 mg	1.08 mmol	Hydrochloride	PO	(Shulgin and Shulgin 1991)

^aBUC, buccal; IM, intramuscular; PO, orally; SL, sublingually.