Lot of distance runners getting busted for this. It’s an asthma medication that opens up the bronchial tubes so you can get more oxygen to the working muscles.
Don’t see a benefit for BBers.
Beta agonists are somewhat anabolic.
Tested athletes shouldn't really be getting busted these days since a "therapeutic use exemptions" are easy to come by if you are asthmatic. Asthma doesn't seem to be a very definite diagnosis either, everyone can have asthma under certain conditions. Beta agonist use is absolutely rampant in certain sports - skiing for example. A very high percentage have asthma and a TUE. It's a loophole they haven't been able to close.