Optimum Nutrition's 2:1:1 Recovery R580 supplement aims to help refuel and replenish hard-working muscles with a 2:1:1 ratio of carbohydrates to protein to fiber. The supplement claims to provide rapid recovery ratios to help muscles recover after intense exercise through replenishing nutrients. It is intended to aid in muscle recovery and refueling through balanced macronutrients in a convenient powdered formula.