Testosterone plays a vital role in how your body creates energy; therefore, low testosterone can make you feel tired.
Among the many processes that testosterone is necessary for, this important male hormone plays a vital role in metabolism, or the way that your body produces energy for your cells from the foods that you eat.
Testosterone also helps to regulate mood and sleep, which is another reason why low testosterone can make you tired. Testosterone is also instrumental in the creation of red blood cells. Low testosterone can lead to a decrease in the production of healthy red blood cells, which can cause anemia which can also make you tired.
As you can see, low testosterone can affect your energy levels in many ways.

There is increasing clinical evidence that indicates that low testosterone is related to insomnia or disturbed sleep.
As men age, some of their testosterone is converted into estrogen.
There is a link between night sweats and low testosterone. Profuse sweating at night could be a sign of low testosterone.
There is a definite connection between testosterone levels, stress, anxiety, and depression.
Testosterone is critical for your health. Here is everything you need to know about how to safely increase your free testosterone level.
There is a definite link between testosterone levels and your level of visceral fat. This is especially true for women.
Injectable testosterone that is used for testosterone replacement therapy is available in several forms and sold under a variety of brand names. All are what are known as testosterone esters. Esterification is a chemical process that makes testosterone more soluble and, therefore, injectable.
There are many myths and misconceptions about testosterone and testosterone therapy.