Moringa’s peppery leaves are often eaten as a vegetable. They’re also dried and ground into a powder used in soups and curries. They have iron, potassium, and calcium. The leaves also have nine essential amino acids, and vitamins A, B, and C. They’re full of protein and can be used as a substitute for meat, fish, and eggs. Moringa leaves have been used to help treat malaria, arthritis, skin diseases, and diabetes.