These delicious healthy smoothie recipes make it easy to eat healthy with fruit, milk, MORE: 12 Foods That Lower Cholesterol Naturally. The healthiest way to enjoy a smoothie is to make your own so you know how much of and what foods you are getting. A good smoothie should contain a blend of ingredients with protein and fiber Nonfat or low-fat plain yogurt Best Fruits for Smoothies. Use fresh fruit, frozen fruit or fruit canned in water or its own juice. Healthier recipes, from the food and nutrition experts at EatingWell. Use different fruit and juice combinations so you'll never get bored with this smoothie! Healthy Peanut Butter Smoothie; Healthy Chia Seed Smoothie; Low-Fat Smoothie.