Smoothie King is a becoming a popular spot for that healthy breakfast or post-workout energy blast. It’s a great place to enjoy a fruit-based smoothie when you don’t have time to blend one up yourself, and there are dozens of creative flavor combinations to choose from.

Still, not all smoothies are created equal. As you order up that Cranberry Supreme or High Protein Almond Mocha with healthy intentions, you may be committing a diet mistake. When a 32 oz. Cranberry Supreme contain over 800 calories and The Hulk Chocolate allows you to drink up almost 53 grams of fat, it’s time to consult the nutrition charts and find out which smoothies really are supporting your health habit.

Here’s a look at the only low calorie options – 500 calories or less per 32 oz. – available at Smoothie King:

Smoothie King The Coffee Smoothie : Choose the Amaretto, French Vanilla, Hazelnut, or Irish Crème to enjoy a fat free smoothie with just 246 calories. These are a tasty and flavorful treat that will easily take care of any Starbucks-style Frappucino craving you’re having. The Mocha variety contains 328.5 calories and 4.5 grams of fat.

Smoothie King Slim-N-Trim Orange-Vanilla: This one tastes just like an orange creamsicle, and contains 322.5 calories and 1.5 grams of fat. It’s a dreamy treat for dessert or a snack.

Smoothie King Slim-N-Trim Chocolate: When that chocolate craving won’t subside, enjoy this one with 336 calories and 1.5 grams of fat.

Smoothie King Youth Fountain: This fat-free smoothie is a refreshing blend of bananas, orange juice, egg protein, turbinado sugar, and honey; it contains just 378 calories.

Smoothie King Slim-N-Trim Vanilla: Skip the golden arches for this healthier, low fat version of the classic vanilla shake; this smoothie is rich and creamy, and contains 384 calories and 1.5 grams of fat.

Smoothie King Pineapple Pleasure: Enjoy a tropical twist to your smoothie with this flavorful concoction; it’s completely fat free, and contains 426 calories per serving.

Smoothie King Mangofest: Dive into some island refreshment with this tasty mix of mango, orange juice, and pineapple. It contains 427.5 calories and is also fat free.

Smoothie King Gladiator: If you’re looking for a low carb, high protein treat, this one is your best bet. It’s made with a premium whey and egg white protein base, Aminogen, and your choice of two fruits. Each serving contains 450 calories, and it’s also fat free.

Other top picks from Smoothie Kingthat are under 500 calories include The Shredder Chocolate, Island Impact, High Protein Pineapple, and Blueberry Heaven.

Smoothie King does disclose all of its ingredients on its website, and the complete nutritional chart for each size of drink can be found on If you’re heading off to Smoothie King for a healthy concoction, just make sure you pick the right formula.