Cyproheptadine and tricholine citrate which revives appetite. Cyproheptadine is an appetite stimulant. It works by reducing the effect of serotonin (a chemical messenger) in the hypothalamus, a part of the brain which regulates appetite. Tricholine citrate is a bile acid binding agent. It removes bile acids from the body. The liver then produces more bile acids using cholesterol, as a result, the level of cholesterol in the body is lowered.