what's up guys, somebody at the gym is offering me this product which I believe is the same albuterol, this guys a juicer you can tell, he said it is the best product to enhance cardiovascular endurance and overall output, I'm a runner and I compete twice a month and I would love to increase my cardio, before buying this product I would like to know what sides does it cause and how long can you use it for? this guys can tell me anything I want to hear just make a sale, I would like to hear your advice thank you.