A method of enhancing positive effects of a psychedelic, by inducing a positive psychological state in an individual with an empathogen/entactogen, administering a psychedelic to the individual, and enhancing a positive response to the psychedelic. A composition including an entactogen/empathogen and a serotonergic psychedelic in the same dosage form or administered as separate compositions within a combination treatment schedule. A method of enhancing positive effects of a psychedelic, by inducing the release of endogenous monoamines, and subsequently stimulating 5-HT2A receptors.