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.
Depending on the variety, bell peppers grow to about three inches in diameter and four inches in height, with a round to blocky shape. Most are ready to harvest within 60 to 80 days of planting. You can harvest bell peppers when they are green.