My dad has ran 4 cycles of testosterone enat, he's been through surgeries for his elbows and his wrists, his tendons from working and joints are giving out on him and he's been in allot of pain but refuses to get out of his line of work as a mechanic. I'm trying to get him on this hgh,I'm not sure if that will help him in those areas. Testosterone makes him feel better but I want his tendons and bones to get stronger. I'm having a hard time finding a good source, and what doses he should take at his age. He weighs about 185 and is 5' 9" and looks in great shape for his age. Any advice here please?