Rimonabant is a cannabinoid receptor (CB1) antagonist, blocking the brain cannabinoid receptor to decrease appetite
and cravings. That reduces a person's weight while people quit nicotine dependence on cigarettes in order to achieve a smoking
cessation effect.   

COA 

Rimonabant is from the class of medicines called cannabinoid receptor antagonists. This drug makes it possible for you to handle dieting easier allowing you to lose excess weight if you have been diagnosed with obesity. This medicine works by selectively blocking certain receptors in the brain and other organs that control metabolism, including the liver, gastrointestinal tract, and adipose tissue. In addition to the beneficial effects of reducing food cravings, this drug has been demonstrated to increase the levels of good cholesterol (HDL) and decrease the levels of bad cholesterol (triglycerides).
According to the clinical studies of this medicine about a third of people who took rimonabant lost 10% of their body weight in the first two years of the treatment, and what's even more important - were able to maintain the result during this time.