Just from a safety standpoint, keeping an albuterol (also called salbutamol) inhaler around when you’re taking tren is not a bad idea. PCT24x7 sells levosalbutamol inhalers for $12… it’s something people ought to keep around. You can buy it in tablet form, too, if you don’t need immediate relief. A doctor will write it for shortness of breath on an infrequent basis (especially “exercise induced”) if you wanna go that route and utter some magic words.
Caffeine and ephedrine are also bronchodilators that you could use shortly before activity and also improve lipolysis.
Another option is clen, which (again) helps with fat loss and is a bronchodilator. It’d be my last choice, but I’m a sissy when it comes to both clen and tren, especially if you’re not actively controlling your blood pressure right now.
Anyway, plenty of ways to injure, if not kill, two birds with one stone.