u 47700 powder is one of our main products. U 47700 is highly selective for the µ- receptor, and is research says it is roughly 7 to 8 times as powerful as morne dose-per-dose. It is believed to be a strong kappa agonist, so should not produce substantial degrees of dysria or other unwanted effects. , like most opioids and their derivatives, is not suitable for human consumption.