Liver issue/disease can lead to more SHBG production by the liver. Liver markers can easily be elevated from sore muscles from training. Stop training to recover then retest AST/ALT.
Males typically do not need any added iron. You could have a GI bleed from gut, liver etc. Get an occult blood test done. This is not a blood loss that you could see, thus occult or hidden. I assume that you are not a blood doner.
Low ferritin can impede T4–>T3 conversion.
fT4 is good at mid-range
fT3 is not near midrange, as one might expect.
Please eval your overall thyroid function via last paragraph in this post.
When taking larger amounts of iodine, selenium is very important, hard can result if deficient.
The cause of your low iron is also leading to low 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.