A study in the June 2013 issue of "American Journal of Clinical Nutrition" found eating your daily five of fruits and veggies could lead to a longer life span. McDonald's smoothies contain fruit puree, fruit juice and low-fat yogurt, making them one option for getting some of your daily fruit servings. Depending on the size and flavor, the smoothies average between 220 and 340 calories.
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McCafé Mango Pineapple Smoothie
The mango pineapple smoothie comes in three sizes. The 12-ounce serving has 220 calories. There are 270 calories in the 16-ounce size and 340 calories in the 22-ounce smoothie.
McCafé Blueberry Pomegranate Smoothie
McDonald's also offers small, medium or large sizes of the blueberry pomegranate smoothie. There are 220 calories in the 12-ounce, 260 calories in a 16-ounce and 340 calories in the 22-ounce large serving.
McCafé Strawberry Banana Smoothie
The strawberry banana smoothie is also available in three different sizes. You'll consume 210 calories in 12 ounces, 250 calories in the 16-ounce size and 330 calories in the 22-ounce serving.
Watch the Sugar
You should examine the other nutritional facts of McDonald's smoothies before deciding if they are a worthy expenditure of your daily calories. Smoothies are low in sodium, but high in sugar. Depending on which size you choose, a McDonald's fruit smoothie has from 44 to 74 grams of sugar, which translates to 11 to 18 teaspoons. The American Heart Association recommends limiting sugar intake to 6 teaspoons daily for women or 9 daily for men.