22yo Male with Below Range T Levels

You have secondary hypogonadism. Prolactin and estradiol are not causing this. At your age, need to consider disease of pituitary or damage from a blow to the head. This requires a MRI. [Note that not all pituitary adenomas are prolactin secreting.

You can do a trial with Nolvadex, [please not clomid]. If LT/FSH [and T] increase we then know that the top end of the HPTA is partly functional. At this point you can attempt an HPTA restart.

Your FSH=2.0 is more indicative of your LH status than LH itself.

TRT: If you need to go there, first try hCG mono-therapy. As hCG is a pain when you travel, you can also have a script for Nolvadex to use when travelling. You can periodically switch to Nolvadex for a while to improve fertility.

fT3 is elevated and TSH is also interesting. Please see the thyroid basics stick and check your body temperatures. Concern is that rT3 may be elevated, blocking ft3.

Using iodized salt continuously for years?