Cowpeas are also known as black-eyed peas. These are oval-shaped beans with a black mark, hence they are known as black-eyed peas. Cowpeas are available in various colors like red, white, black and brown. Being good in taste and rich in various minerals and nutrients, they can be included in the regular diet. It contains almost all the essential vitamins, folic acid, iron, potassium, magnesium, calcium, selenium, sodium, zinc, copper, phosphorus etc.