endurance

has anyone tried using clenbuterol to help them when they're rugby I need help with my endurance and speed as I am a forward. I'm right now 6 ft 1 in in 180 lb. I'm one of the fastest guys on my team and I want to keep it that way. What kind of dosing should I expect to use to get the best results

what kind of drop-off can I expect when I come off gw501516 oh, I know it depends on the individual and nobody is going to be like the other person. I'm running this and I'm having incredible increase in my endurance and I'm worried when I come off what kind of drop will happen. Do you keep your...