Vegetables : Vegetables are important part of healthy eating and provide a source of many nutrients, including potassium, fiber, folate (folic acid) and vitamins A, E and C. Options like broccoli, spinach, tomatoes and garlic provide additional benefits, making them a superfood! Eating Vegetables Provides Health Benefits The nutrients in vegetables are vital for health and maintenance of your body. Eating a diet rich in vegetables may reduce risk for stroke, cancer, heart diseases and type-2 diabetes. One to four cups of vegetables are recommended each day, depending on how many calories you need.