Chillies have a strong spicy taste that comes to them from the active alkaloid compounds: capsaicin, capsanthin and capsorubin.Chilies carry a good amount of minerals like potassium, manganese, iron, and magnesium. Potassium is an important component of cell and body fluids that helps controlling heart rate and blood pressure. Manganese is used by the body as a co-factor for the antioxidant enzyme, superoxide dismutase.