Does low testosterone cause extreme fatigue?
Drop in Energy
Fatigue is a common effect of low testosterone. You might feel like you just don't have the energy that you're used to. Or you might be incredibly tired. But many other things can sap your energy, too, including normal aging and depression.
Will testosterone give me more energy?
Can testosterone replacement therapy make me feel more energetic? If you have an abnormally low T, boosting your testosterone levels with TRT can help bring your energy levels back to normal. It can also restore your sex drive. You may notice a drop in body fat and a buildup of muscle mass after TRT.