Spinach
Due to its iron and calcium content, spinach is a great addition to any meat- or dairy-free diet.
One cup of raw spinach is mostly made up of water and contains only 7 calories.
Kale
Kale is a very popular leafy green vegetable with several health benefits. It provides around 7 calories per cup of raw leaves and good amounts of vitamins A, C, and K.
Brocolli
Brocolli is an incredibly healthful vegetable that belongs to the same family as cabbage, kale, and cauliflower. These are all cruciferous vegetables.