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.
Cutting Calories. To lose weight at the recommended safe rate of 1 to 2 pounds per week, eat 500 to 1,000 fewer calories each day and try to exercise at least 30 to 60 minutes per day.utting calories can help you lose weight. With over one-third of Americans classified as being not just overweight but obese, many people would benefit from cutting calories to lose weight. Even those who are at a healthy weight might be able to benefit from reducing their caloric intake.