1. Spinach: rich in vitamins and minerals, especially iron. It also contains a small amount of carbohydrates and protein, but very low calories.

2. Green peppers: rich in vitamin C and folic acid, but also very low in calories.

3. Cucumber: very low in calories and high in water content, while being rich in vitamins C and K.

4. Cauliflower: rich in phytochemicals and low in calories.

5. Lettuce: high in fiber and water, and rich in potassium and vitamin K.

6. Celery: high in fiber and water, and rich in vitamins K and C.

7. Carrots: high in antioxidants and low in calories.

8. Mushrooms: rich in protein and low in calories.

9. Tomatoes: high in vitamin C and fiber, and also low in calories.

10. Cilantro: has a strong antioxidant effect, but also reduces fat absorption.