does orlistat reduce weight Orlistat is an obesity treatment drug that does not act on the central nervous system. It only acts on the gastrointestinal tract. By inhibiting the lipase of the gastrointestinal tract, it prevents the hydrolysis of triacylglycerols into free fatty acids and monoacylglycerides, reduces the absorption of dietary fat (triacylglycerol) by the intestinal mucosa, and promotes the elimination of fat from the body. . Lipase is an enzyme necessary for the digestion of fat in the gastrointestinal tract. This product can bind to the serine residues of gastric and pancreatic lipase to inactivate the lipase so that it cannot decompose the fat in the food into free fatty acids and inhibit the fat Utilize and absorb