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you might want to do some research. I am taking 5htp under medical advice and you can't take it if you are using SSRI's. I read a fascinating article recently about silicon valley coders taking various enhancers to get them through the day including modafinil. The guy writing said he cruised through the morning and got really into his work, so much so that he completely skipped lunch, but that when he got home he was all zombied out ! another trend apparently for concentration (and probably just entertainment) is micro-dosing with LSD. that seems a bit mad and could go horribly wrong. I'm sure slightly tripping is regular work day for a lot of creative people. strong bud smokers are mildly tripping and there's plenty of those people putting in long days on serious projects all over the world... day & night !