Muscle Builder delivers the optimal amounts of the only three key ingredients proven in controlled scientific studies to promote muscle growth and aid muscle repair It is suitable for any horse in training in any discipline and for developing muscle or helping muscle to repair and recover from hard training and is also suitable for horses that struggle to maintain condition or healthy muscle development. Muscle Builder should be fed for at least 4 weeks at the Muscle Building rate. At least 2-3 scoops per day should be fed in a small feed as close to the end of exercise as possible. Mix thoroughly with feed and split between meals