Leafy Greens: Vegetables like spinach, kale, lettuce, and Swiss chard are extremely low in calories but high in fiber, vitamins, and minerals.
Cucumbers: High in water and very low in calories, cucumbers are a great snack that can be eaten in large amounts.
Celery: This crunchy, low-calorie vegetable is mostly made up of water and fiber. It can be a satisfying snack that doesn’t contribute significantly to calorie intake.
Berries: Strawberries, blueberries, raspberries, and blackberries are low in calories but high in fiber and antioxidants.
Tomatoes: High in water and low in calories, tomatoes are rich in vitamins A, C, and K, and they can be eaten in large quantities without leading to weight gain.
Broccoli: This nutrient-dense vegetable is high in fiber and vitamins C and K, yet low in calories.
Zucchini: Low in calories and high in water, zucchini can be a great addition to your diet if you’re looking to eat more without gaining weight.
Watermelon: It's high in water and low in calories, making it ideal for eating in large quantities. Plus, it provides vitamins A and C.
Cauliflower: Similar to broccoli, cauliflower is low in calories but high in fiber, vitamins, and minerals.
Mushrooms: They're low in calories and can add bulk and flavor to a variety of dishes without adding much in the way of calories.