OptaChamp with Optaflexx is fed during the last 40 days to improve feed efficiency and improve muscle mass in show cattle. OptaChamp utilizes the optimum level of the FDA approved ingredient Optaflexx to redirect nutrients that would have become fat and repartition them into protein. The process has been proven to increase muscle mass 4 to 7%. Approved for market cattle only. Feed at the rate of 0.4/pound per head per day.