Contrave is a combination of two well-established drugs, naltrexone and bupropion, in a sustained release formulation (SR). In physocology terms, it is the Xanax for people who wants to diet by doing nothing.  It has been approved by the FDA with conditional approval. It does increases blood pressure and pulse rate as a side effect of the medication. However, studies has shown that it helps improve losing weight by 7% in a group study.

Basically, the drug will starve you to death by doing the following.

• Initiating weight loss by reducing appetite and increasing metabolism
• Allowing the body to sustain continued weight loss by offsetting its natural tendency to fight back and slowing down the weight loss process
• Addressing the reward system in the brain that causes food cravings
• By blocking opioid and dopamine receptors, the drugs help limit the pleasure taken out of eating.