In addition to that, it will cause quite intense cramps, which don't go all too well with cardio and athletic performance. All in all, it is a no-no. If you want something safe to boost your endurance and recovery, Cardarine GW or SR9009 are the two best compounds for that. They will actually give you a drastic boost of endurance and recovery speed. In addition to that, they will contribute to fat loss, and will maintain your lean mass. The best thing about them, is that unlike albuterol they will not cause side effects.