Dietary Supplement 10 calories, 0g Sugars,. Fueled by Quercetin + Vitamins B1, B2, B3, B6, B12, C, E Dietary Supplement, For sustained energy, exercise and weight management. Naturally Flavored Lemon-Lime FRS powdered drink mix comes in a box of single-serve stick packs. It’s the perfect beverage solution if you’re hitting the road for a run, ride or a business trip. The packs are small, lightweight and easy to add to your water bottle. With just 10 calories each they’re also the lowest calorie way to get your FRS sustained energy if you’re watching your waistline. FRS is a healthy energy drink that takes you up a level and keeps you there. FRS contains quercetin- a natural, powerful antioxidant found in blueberries, red onions, apples and cocoa. Quercetin helps extend you body's natural adrenaline as well as neutralizes the oxidants in your body that cause fatigue. Joining quercetin to keep your ...