25 Yr Old. Total T 458, Low Vit D

FT is pulsatile with a shorter half life, so any single lab leaves uncertainty. TT is normally the better indicator. With low E2, SHBG can be expected to be low and TT may be under estimating your status.

Total cholesterol is too low, 180 is deal. <160 is associated with increased all-cause mortality. Modify diet.

You need to get your testes examined. If there are surgically correctable vascular abnormalities, you might get repaired. Otherwize, typically primary points to TRT.

We do see a lot of young guys with hormone issues. More than expected, but those affected get on the WWW end end up here. No way to know how prevalent these problems are.

Vitamin D3 is converted to Vit-D25 which is a mission critical steroid hormone. Take 5,000iu Vit-D3, find tiny oil based gel caps. Take 25,000iu first 5 days.

Thyroid is mission critical see last paragraph in this post to eval.
Have you been using iodized salt to support thyroid hormone production?

Please read the stickies found here: About the T Replacement Category - #2 by KSman

  • advice for new guys
  • things that damage your hormones
  • protocol for injections
  • finding a TRT doc

Evaluate your overall thyroid function by checking oral body temperatures as per the thyroid basics sticky. Thyroid hormone fT3 is what gets the job done and it regulates mitochondrial activity, the source of ATP which is the universal currency of cellular energy. This is part of the body’s temperature control loop. This can get messed up if you are iodine deficient. In many countries, you need to be using iodized salt. Other countries add iodine to dairy or bread.