whats the best for aerobic performance

[Gettin Big]

what is the best performance drug or AAS to improve cardio say for Martial Arts, hockey etc.

[Mesomorphyl]

To improve on cardio? I think none. As you gain weight cardio is effected by said weight gain. I know people talk about epo for increased blood cells without an anabolic effect, so the closest thing would be equipoise aka eq.