There are at least three different types of weight loss surgery and all of the weight loss surgeries are pretty safe and effective.
The three main types of weight loss surgery are gastric bypass, gastric banding and sleeve gastrectomy and all of the weight loss surgeries are safe.
But if I were getting weight loss surgery done I would go with the gastric bypass weight loss surgery as it's the most widely used type of weight loss surgery that is done.
You could also go for Liposuction surgery to lose weight if you have the money to do so.