While not on the supersoldier level Captain America is on, the drug combats degenerative muscle conditions. Having been proven to be safe and effective in animal testing, they've applied to the FDA to begin tests on humans.
Not leading to Hulked
What they do is take some DNA that produces the protein follistatin, which turns off a gene called myostatin, which halts muscle growth, and put it in hollowed-out virus cells.
Wham, bang, boom, inject in to muscle, and after about six weeks' time, improvements can be seen.
Full article for injection found: here
Alas, no superheroes are birthed this way...yet. But time may tell.




