In another surgery, the stomach is attached to the middle of the small intestine. This bypasses a large part of the small intestine and reducing the amount of calories and nutrients absorbed into the body. Roux-en-Y gastric bypass (RYGB) involves stapling the stomach to create a small pouch. The smaller stomach is attached directly to the middle of the small intestine. This allows food to bypass much of the stomach and the first section of the small intestine. It limits the amount of food that you can eat and reduces the amount of calories and nutrients that are absorbed into the body. Previous.
I've seen male competitors eat fewer than 1,800 calories trying to reduce their body fat. This is not the way to get shredded. If you cut your calories this much, you will end up losing significant lean muscle mass and severely damaging your metabolism.
To lose weight, you have to eat fewer calories than your body uses. Calories are the amount of energy in the food you eat. Some foods have more calories than others. For example, foods that are high in fat and sugar are also high in calories.If you eat more calories than your body uses, the extra calories will be stored as body excess fat. A pound of fat is about 3,500 calories.ou can burn off calories by exercising or just by being more active. (Talk to your family doctor before you begin any type of exercise program. Your doctor can help you determine what kind of exercise program is right for you.). The best way to lose weight and keep it off is to eat fewer calories and be active.