The Promise. Lose up to 10 pounds in 2 weeks -- and that's just the beginning of what the Mayo Clinic Diet says it can do for you. The Mayo Clinic Diet is the official diet developed by the Mayo Clinic in Minnesota.
1 18 calories in 1 cup of sliced green peppers (3.2 oz or 91g). 2  30 calories in 1 cup of chopped green peppers (5.3 oz or 149g). 3  24 calories in 1 average size green pepper.
In that case they are referred to as paprika. They are low in calories and exceptionally rich in vitamin C and other antioxidants, making them an excellent addition to a healthy diet. This is what bell peppers look like: Bell peppers come in various colors, such as green (unripe), red, yellow, and orange.