Eggplants are very low in calories and highly hydrating due to their high water content. They are very nutritious, packed with fiber and antioxidants, help prevent arthritis, and reduce triglycerides and cholesterol in the blood. They are a vegetable rich in vitamins such as vitamin A, B vitamins, vitamin C, folic acid, and are high in minerals like potassium, iron, phosphorus, magnesium, and calcium.