i came a cross some pills, Metoclopramide which is a potent dopamine receptor antagonist used for its antiemetic and prokinetic properties. but in higher doses there is also some antagonist activity at 5-HT3 receptores. Im not sure what all this meats, but i due know htat some forms of 5-HT can be use for rec. im looking for som honest opinions and info on thes stuff, erowid shows nothing. help a brotha out yo.