<prompt> Mechanism of action of Orlistat used to treat obesity is which of the following?Central reuptake inhibitor of both norepinephrine and serotoninIntestinal lipase inhibitorCentral reuptake facilitator of serotoninIntestinal amylase inhibitor  <response>: Sibutramine is central reuptake inhibitor of Noradrenaline and serotonin. Orlistat is a intestinal lipase inhibitor. 