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Product Description
Chlorotestosterone is a very simple derivative of testosterone made by attaching a chlorine atom at the 4 position. This slight modification makes for a very different molecule than testosterone. Clostebol has a slightly lower binding affinity for the AR than testosterone and no binding to the PR or GR. The chlorine atom blocks the action of aromatase on this molecule. This means that chlorotestosterone cannot be converted to estrogen and is converted to a less potent DHT derivative1. Because testosterone is converted to DHT and estrogen to some degree and because DHT and estrogen are inactive in muscle tissue, you lose a good portion of activity when using testosterone. You also lose some of testosterone’s activity due to binding to SHBG. Chlorotestosterone binds much more weakly to SHBG than testosterone does. This makes clostebol a very good choice as an anabolic as can be seen from the anabolic to androgenic ratio.
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