Power up with healthy smoothies from Smoothie King in St. John, IN. Order online or swing through our drive thru to enjoy delicious and nutritious smoothies today. Need more protein or a burst of energy? Smoothie King has add-on enhancers to make your smoothie fit your personal health and wellness needs. Add protein, energy boosters, metabolism boosters, fiber, multi-vitamins and more. Choose fruit, vegetables or a combination of both. Our smoothies are packed with vitamins and minerals, so you can have one as one of your healthy snacks for the day or as one of your meal replacement smoothies. We also offer catering services!