N,N-dimethyltryptamine compositions and methods

A composition including N,N-dimethyltryptamine (DMT) or a pharmaceutically acceptable salt thereof capable of exhibiting a therapeutically effective blood level of DMT from between about 20 and about 60 minutes when administered to a human. A method of treating a neurological disease or condition comprising administering buccally, sublingually, subcutaneously or intranasally to a subject in need thereof an effective amount of DMT or a pharmaceutically acceptable salt thereof, capable of exhibiting a therapeutically effective level of DMT from for between about 20 to about 60 minutes when administered to a human.