Some experts also recommend offering testosterone treatment to men with age-related low testosterone without the presence of signs or symptoms. It is part of your body's endocrine system, which consists of all the glands that produce and regulate hormones. The pituitary gland is a kidney-bean-sized gland situated at the base of your brain. If low testosterone is confirmed, further testing of the pituitary gland is recommended to determine the cause and rule out other hormone deficiencies. If an initial test shows low testosterone, the test should be repeated to confirm the results. It's also possible to experience increased sleepiness, sleep disturbances, mild unexplained anemia, reduced muscle bulk and strength, and increased body fat.Įxperts recommend only testing older men for low testosterone if they have signs or symptoms. Other possible symptoms include decreased energy, motivation and confidence, depressed mood, and poor concentration. Height loss, low trauma fracture or low bone mineral density.Decreased spontaneous erections or erectile dysfunction.