It is better to test fT4 amd fT3 and not those methods that are not obsolete now that direct measurements are available.
TT and FT results with weekly injections are determined mostly by lab timing. Injecting twice a week and always testing half way between injections will be most useful.
Low E2 wrecks libido for sure. Try reducing aromasin to 6.25mg EOD and test E2 again in 4 weeks. You should feel a change. Speed things up by skipping 4 days of aromasin.
Your post needs more data, such as age, height, weight, waist size, other health issues, etc.
Please also check body temps as per the last paragraph in this post to eval overall thyroid function.
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.