Vegetables have low caloric value and high nutritional value including vitamins and minerals. Besides, they have high fiber content and are low in carbs. This makes them perfect for low-carb diets. The best vegetables to include in the low-carb diet are bell peppers, broccoli, asparagus, mushrooms, zucchini, spinach, avocados, cauliflower, green beans, lettuce, garlic, kale, cucumbers, brussels sprouts, celery, tomatoes, radish, onions, eggplant, cabbage, and artichokes.