Carbohydrate powder for race day, packed to go Take your endurance fuel with you. Flow Endurance Drink Mix puts carbohydrate powder in a single-serving reusable tube for convenient refueling during training and racing. Refill the tube from your Endurance Drink Mix bag to reduce packaging. Developed to help you perform your best during a race so you can easily refuel with one simple tube. Designed to be refilled with our Endurance Drink Mix to reduce packaging. Developed from current sports performance research Replaces needed nutrients during hard racing and training efforts Top 12 allergen free Exceptional taste With caffeine contains 184 mg of caffeine to boost performance Directions: Mix one tube with 16-24 ounces (2-3) cups of water. Shake vigorously. Drink 1/2 - 3/4 cup every 15 minutes. Ingredients: organic tapioca maltodextrin, organic agave powder, citric acid, sea salt, fruit powder, rice maltodextrin. With caffeine contains 184mg caffeine per serving.