Boldenone greatly stimulates hematopoiesis. Elevated levels of red blood cells improve oxygen delivery to the muscles. This makes this steroid attractive not only for bodybuilders, but also for track and field athletes. Among bodybuilders, Boldenone is appreciated not only for his ability to promote lean and dense muscle growth, but also for its peculiarity to significantly raise appetite and promote has an incredibly long active life, requiring less frequent injections and is often used as a part of very long cycles.
502 is an ok number and the actual number doesn’t matter so much as how you feel. Some guys need to get up over 700 or 800 to feel as well as they want, for other 502 is fine.
Testosterone replacement is just that replacing what the body is not producing and it is meant to be longterm. Watch out for fertility issues if you plan on having kids as T can decrease sperm quality. Clomid or HCG can be used to protect the testicle and sperm quality. It is important not to forget the estrogen as that can increase and needs to be checked. Most men need arimidex to balance the estrogen.