Prolactin secreting pituitary adinoma can lower LH/FSH and thus T. But you are also showing signs of primary hypogonadism.
fT3 is what gets the job done and needs to be tested.
Thyroid problems can be from not using iodized salt.
TSH should be nearer to 1.0, thyroid lab ranges are useless.
Please read these links found here: About the T Replacement Category - #2 by KSman
- advice for new guys
- things that damage your hormones
- protocol for injections
- thyroid basics explained - post oral body temperatures as suggested
Take 5000-6000iu VitD3
Ask for metformin 500mg and take twice a day. This has good health benefits beyond insulin sensitivity issues. Also very inexpensive.
Liver is a concern with AST/ALT
Get #29 0.5ml [50iu] 1/2" insulin needle and inject twice a week. Can be SC or IM. SC avoids decades of muscle damage. Insulin needles do not need an Rx in many jurisdictions. At Sams/Walmart you can get a box of 100 for ~$14, their Relion house brand. Get prep pads too.