Please read the advice for new guys sticky.
Causes of brain fog:
- CBC news
- low free testosterone
- elevated E2
- low thyroid function - see first paragraph in the above sticky
Note that inability to absorb transdermal T is a symptom of [subclinical] hypothyroidism
Post your location, someone might have advice. Also see the finding a TRT doc sticky - which might not help much there.
What is your budget for out-of-pocket services.