If you absorb enough to do anything your HPTA will shutdown and PCT is still needed. T gels and creams have the highest T–>E2 potential and injections least. If you have any thyroid problems, transdermal T absorption can be very poor.
Please read the stickies found here: About the T Replacement Category - #2 by KSman
- advice for new guys - need more info about you
- 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.
KSman is simply a regular member on this site. Nothing more other than highly active.