Green peppers are a cultivar group of the species Capsicum annum. These cultivars produce fruits in various colors, including red, yellow, orange, green, brown, white and purple. Green peppers are a very good source of vitamin K, vitamin B6, potassium and manganese and a good source of thiamin, niacin, folate, magnesium and copper. A cup of chopped fresh green pepper is just 30 calories and provides 200% of the Daily Value (DV) for vitamin C, 11% DV vitamin A, and 10% DV dietary fiber. (nutritiondata.com). The percent DV on a Nutrition Facts label indicates how much a nutrient contributes to a healthy adult’s daily recommended intake based on a 2,000-calorie diet.