When talking of Clenbuterol and users who have used them will know from first-hand experience that you cannot use the same drug, namely Clenbuterol for long durations. The medicine will not produce the same effect as it creates in the first days as you proceed with its usage. When you use anabolic steroid drugs, the cycle should be your primary concern to decide whether to continue with the drug or not. It is not just what all affects the medicine can produce, but how long you will get the same results, this should be prioritized while making your decision.