I am considering doing a cytomel and clenbuterol cycle. However, while in Iraq a year ago, I used to pop ephedra like candy in order to stay awake on some long, sleepless missions. Now, almost a year later, ephedra isn't effective anymore. My body seems to be used to it. I was wondering will clenbuterol be rendered useless now that my body is already immune to ephedra?
After reading some threads, it seems that clenbuterol and ephedra are similar. I haven't been able to find what effect clenbuterol would have on a body already used to ephedra.