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.
Yellow bell peppers are a good source of vitamin C. Green bell peppers are the most common color on produce shelves, but the yellow variety contains much more of certain vitamins. The peppers also contain fiber, protein and iron. Yellow bell peppers taste sweet and they pair well with a variety of other ingredients.