Healthy Food Water. Drink 8 to 12 cups of water daily. Dark Green Vegetables. Eat dark green vegetables at least three to four times a week. ... Whole Grains. Eat whole grains sat least two or three times daily. ... Beans and Lentils. Try to eat a bean-based meal at least once a week. ... Fish. ... Berries. ... Winter Squash. ... Soy.