Liraglutide is another medication that suppresses our appetite except the difference is it is an injection that goes underneath our skin once a day.  It is also commonly used at a lower dose as a treatment option for people with diabetes.  

Potential Side effects can include nausea, vomiting, diarrhoea, and much less likely gallbladder problems and serious pancreas inflammation.

The effect you are likely to see is on average about an additional 5-6kg or 10-12 lbs over a year

The costs are about $250-400 AUD a month in Australia or $1200 USD a month in the USA