Want to pack the most nutrition into your salad, sandwich or any other meal? Add some watercress.This vegetable scored 100, the highest rating of any vegetable, after being rated on 16 key nutrients and fiber by the CDC.

Other nutrition-packed vegetables on the honor roll: Chinese cabbage, chard, beet greens, spinach, chicory, leaf lettuce, parsley, romaine lettuce, collards and turnip greens.

Make sure you’re getting the vitamins you need with our guide to nutritional deficiencies. We can tell you what your body might need if you’re craving a burger…the three supplements everyone should take…and how what you eat affects your sleep.