To point out, kiwis are a low-calorie fruit that is high in antioxidants and fiber. This makes them a perfect addition to a weight-loss diet. In fact, this low-sugar green fruit aids with digestion and is especially important for your gut health. Also, this nutrient-dense fruit is an excellent source of vitamin C, vitamin A, potassium, folic acid, beta carotene, lutein, and other vitamins and minerals.