There are a lot of popular bariatric surgeries available out there. The most popular option is the gastric band. Also known as an adjustable gastric band, it is placed in the upper portion of the stomach to create a small pouch. The reason behind this procedure is to limit the amount of food that you take. You will already feel satisfied even for just a small amount of food.
The good thing about this particular procedure is that it is reversible. For most bariatric procedures, the measures are permanent. That could mean that you will be supplementing for the things that can no longer be absorbed effectively by the body.