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add two methyl groups to the tryptamine molecule and the result is "di-methyl-tryptamine": DMT.” DMT LSD PSYCHEDELIC DRUGS: SCIENCE AND SOCIETY + 35 DMT is also a tryptamine and is the simplest psychedelic. Simply The "grandfather" of all modern psychedelics, LSD, contains a tryptamine core, as does ibogaine, the African psychedelic with highly publicized anti-addictive properties.