I've argued this point on other boards to, I beleive its a reaction to the hormone, not the ba. I have gotten it from test as well. To answer your question T damn near everything has ba in it. I'm told that the cough is cause by constriction of the blood vessels in the air sacs, so its got to be something getting into the blood stream and constricting them asap. I haven't found anything on Ba having these properites but thats not to say it doesn't. Another reason why I don't think its the ba is that I have never gotten it from IGF that I know was in straight Ba. I used several vials and never got the cough, even when I saw blood leak out of the hole. If it was the ba, I don't know how to explain the lack of severity with other compounds.....when I get it with test or eq, its a mild cough and not at all alarming......with tren its violent and chest really tightens, I have even vomitted before from the coughing spell. Just my look at things though