Plain water contains no calories. In fact, it may slightly increase calorie expenditure as your body has to work to process it.
Leafy greens like lettuce, especially varieties like iceberg lettuce, are extremely low in calories due to their high water content and minimal carbohydrates.
Cucumbers are very low in calories and consist mostly of water. They make for a refreshing, low-calorie snack.
Celery is famous for its low-calorie content. It's primarily composed of water and fiber.
Radishes are a crunchy, low-calorie vegetable with a peppery flavor.
Zucchini is another vegetable that's low in calories and can be used as a healthy substitute for higher-calorie ingredients in recipes.
Spinach is low in calories and rich in nutrients. It's a great addition to salads and various dishes.
Broccoli is a nutritious, low-calorie vegetable that provides fiber, vitamins, and minerals.