Oral sorts of 5-MeO-DMT are available but must be combined with an MAO (monoamine oxidase) inhibitor in order for it to work. MAO can be an enzyme produced by the human body that principally is effective to stop working neurotransmitters like serotonin and dopamine, but In addition, it destroys DMT https://trove.nla.gov.au/userProfile/user/user:public:ElijahTucker1/about