low-calorie vegetables to add to your diet

About 5 calories may be found in a cup of arugula (20 grams). The calcium, iron, and potassium content is high.

1. Arugula

One cup of sliced radishes (116 g) has just 18 calories and is an excellent source of potassium, folate, and vitamin C.

2. Radishes

Iron-rich and high in vitamin K, A, and E, asparagus spears are a nutrient powerhouse. Asparagus has only 3 calories per medium-sized spear.

3. Asparagus

High in calcium, vitamin E, and iron, olives also have only 22 calories per 15-gram serving.

4. Green or black olives

Tomatoes are rich in lycopene, vitamin C, potassium, folate, and vitamin K, and are also a good source of the antioxidant lycopene.

5. Tomatoes

Celery has several beneficial nutrients, including dietary fiber, vitamin C, and flavonoids.

6. Celery

Fennel is a great way to get your daily dose of vitamin K, as well as vitamin C, fiber, and potassium.

7. Fennel

Vitamins A, C, E, and K are just some of the many nutrients that may be found in watercress. It's also rich in calcium.

8. Watercress

Vitamin K is abundant in cucumber. Cucumbers are low in calories, with only 18 per cup (around 120 grams).

9. Cucumber

A serving of zucchini (95 g) has just 20 calories but is high in potassium, fiber, and vitamin C.

10. Zucchini

Dietary options that are low in calories