Bell pepper contains an impressive list of plant nutrients that found to have disease preventing and health promoting properties. Unlike in other fellow chili peppers, it has very less calories and fats. 100 g provides just 31 calories.
Sweet (bell) pepper contains small levels of health benefiting alkaloid compound, capsaicin. Early laboratory studies on experimental mammals suggest that capsaicin has anti-bacterial, anti-carcinogenic, analgesic and anti-diabetic properties. When used judiciously, it also found to reduce triglycerides and LDL cholesterol levels in obese individuals.
Fresh bell peppers, red or green, are rich source of vitamin-C. This vitamin is especially concentrated in red peppers at the highest levels. 100 g red pepper provides about 127.7 µg or about 213% of RDA of vitamin C. Vitamin-C is a potent water soluble antioxidant. Inside the human body, it is required for the collagen synthesis. Collagen is the main structural protein in the body required for maintaining the integrity of blood vessels, skin, organs, and bones. Regular consumption of foods rich in this vitamin helps the human body protect from scurvy; develop resistance against infectious agents (boosts immunity) and scavenge harmful, pro-inflammatory free radicals from the body