Hello, I'm 47 years old and a personal trainer I work out very hard but was not seeing the gains I would expect. Recently went to my doctor and he checked my test levels and I was 150mg He told me I was below the bottom of normal which was 300mg. He gave me a prescription of (1) injection a month 1.5mL of Testosterone Cyponate 200mg per mL two month later while I felt better it was still not enough after reading online I started this same dose once every 10 days. This has helped and my level went up to 800mg but he still will not increase my dose. I need another outlet to get more testosterone as my prescription will not last. My sex drive came up great the first couple months but seems a bit sporadic now. Granted I feel better and recover faster. Question should I be taking an estrogen blocker and any recommendations on sites that others have had good luck with. I'm 5'8" 185 about 14% body fat I eat fairly clean and want to maintain my mass and drop down to 8% body fat in next few months...My cardio I have kept at 15 to 20 minutes max generally a rower or sprinting 2-3 days a week to avoid burning muscle. Any help would be appreciated Thank yoU!