When it comes to nutrition as an endurance athlete, a quick, cost-effective option like the Formula 369 Drink Mix is a go-to to keep us going without a drop in energy levels. The mix features 30g of carbohydrates and 120 calories per scoop but can easily be customized depending on our specific needs for each workout. Simply fill a 22-26oz water bottle, add 1-3 scoops of powder, and head out for your workout.