Cucumber (16 calories)
Tomatoes (17 calories)
Zucchini (17 calories) Asparagus (20 calories) Cauliflower (25 calories) Cabbage (25 calories) Turnips (28 calories) Lemons (29 calories) Watermelon (30 calories) Broccoli (34 calories) Mushrooms (38 calories) Onions (40 calories) Carrots (41 calories) Grapefruit (42 calories) Beets (43 calories) Brussels Sprouts (43 calories) Oranges (47 calories) Kale (49 calories) Apples (52 calories) .