Outside the USA, Nolvadex pills is available by prescription for the treatment of asthma 9. Clenbuterol was banned because some people had overdosed themselves and damaged their health Nolvadex PCT. Since the doctors could not control the overuse of this drug, it was finally banned. However, it is still legal in countries like China, India, Nolvadex dosage, Bulgaria, and Mexico. In conclusion, clenbuterol can be very effective if used under the proper guidance of a health professional.