What is the best way to keep myostatin as low as possible for muscle growth?

Muscular dystrophy? If a normal person is looking for ways to block myostatin in order to enlarge his or her muscles, don't go there! Thou shalt not mess with the natural balance of life on this little blue planet of ours. However, if looking for ways to treat muscle diseases, there is likely ongoing research into use of myostatin blockers to help muscular dystrophy patients.