Dealing with obesity is a tough thing. It is always hard to lose weight and sometimes the process of weight loss by natural means can make you go through a lot of pain and heartbreaks. It is not easy to continuously motivate yourself to lose weight. The worst part is you not only have to feel exhausted after working out for a long time but also have to cut down a lot on food. Bariatric procedures are here to help you in these things. You do not have to go through that rigorous process of work out and also cut down on food.
How fast weight loss after bariatric surgery
Get the surgery and lose weight and work on your diet. This makes your life a lot easier, don't you think? So there two ways in which bariatric procedures help you to lose weight: (i) Restriction and (ii) Malabsorption. Restriction reportedly is what the surgery does to your stomach; it is shortened so that your stomach can hold less food thus reducing the number of calories you eat. Malabsorption is what happens to your intestines; the small intestine is shortened or bypassed in order to reduce the absorption of nutrients or calories the body absorbs. There are different types of bariatric surgeries.
These Are:

Gastric Bypass

This procedure helps in the weight loss for a long term and also helps you in your diet by allowing you eat less. It also may lead you to more spend more energy which is great for weight loss. The procedures also change the hormones of the gut which reduces appetite and this also helps you to lose more than 50% of your weight.

Sleeve Gastrectomy

Much like the gastric bypass, it allows your stomach to hold much less food. It also helps with weight loss and it is much more efficient than the gastric bypass; if maintained properly then you can lose weight faster and with 50% more efficiently than the gastric bypass. This procedure does not require any bypass. The best possible part about this is that you need to stay in the hospital for approximately 2 days. This procedure also helps with the suppression of hunger by changing the gut hormones.

Adjustable Gastric Band

This one procedure requires a foreign object to be inside your body. It helps with the weight loss of about 40-50% but if not maintained then you might not lose weight too. The good part is that you do not require to cut any of your internal body parts and also it requires you to stay less at the hospital. You might as well be discharged the same day the procedure was conducted. This procedure has the lowest rate of complications after the operation and lowest risk of mineral deficiencies. 

Biliopancreatic Diversion with Duodenal Switch Gastric Bypass

This one is the most effective against excess weight loss with about 60-70% efficiency. Though you have to maintain a very strict diet plan because this one might cause complications with minerals/vitamins. It requires you to stay longer in the hospital. The best part is that you can get back to normal meals eventually after the procedure. The absorption of fat goes on to 70%. This has proven to be the most effective out of all the procedures.