All natural. Excellent source of calcium. Made with organic nonfat yogurt. 50% Fewer calories than regular smoothies. Fat free. With other natural flavors. No aspartame. No sucralose. Our light smoothies are the perfect answer for those looking for a nutritious smoothie with fewer calories. Every delicious sip contains all the natural benefits of our yogurts - calcium, protein, dietary fiber and six live active cultures. And because we don't use artificial sweeteners, there's no aftertaste - just pure, delicious flavor. It's enlightening. Helps boost calcium absorption. Stonyfield Light: 130 Calories, 0g Fat. Regular Smoothies: 270 Calories, 3.5g Fat per 10 fl. oz. serving. Certified Organic by QAI.