One thing I have thought, and I’m not sure anyone else has, is… does less testosterone in the blood actually mean that our body is producing less, or that more of it is in the cells. A very high protein diet has been proven to positively impact body composition, even during overfeeding, and personally I have noticed it makes me feel better. Could it be that the high amount of protein causes the cells to increase their uptake of testosterone to drive the protein into the muscles increasing muscle mass and thus leaves less in the blood. Just a thought
Transdermal patches (adhesive patches placed on the skin) may also be used to deliver a steady dose through the skin and into the bloodstream. Testosterone-containing creams and gels that are applied daily to the skin are also available, but absorption is inefficient (roughly 10%, varying between individuals) and these treatments tend to be more expensive. Individuals who are especially physically active and/or bathe often may not be good candidates, since the medication can be washed off and may take up to six hours to be fully absorbed. There is also the risk that an intimate partner or child may come in contact with the application site and inadvertently dose himself or herself; children and women are highly sensitive to testosterone and can suffer unintended masculinization and health effects, even from small doses. Injection is the most common method used by individuals administering AAS for non-medical purposes.