The vitamin & mineral content of eggplants is quite extensive. They're a great source of vitamin C, vitamin K, vitamin B6, thiamine, niacin, magnesium, manganese, phosphorus, copper, fiber, folic acid, potassium, and more! May Reduce the Risk of Heart Disease. May Promote Blood Sugar Control. May Have Cancer-Fighting Benefits. Could Help With Weight Loss. High in Antioxidants.