Alleviation of the Psychological Effects of LSD in Man by 5-Hydroxytryptophan
Journal of Mental Science October 1, 1958 J. C. Brengelmann, C. M. B. Pare, M. Sandler 31 citations
Injecting 5-hydroxytryptophan before lysergic acid diethylamide reduces the psychological effects of LSD, supporting the hypothesis that serotonin acts to diminish those effects. Placebo-controlled psychological tests showed this reduction.