The Edge upholds the highest standards of health journalism. Focus on eating a high-protein diet, and consider adding these 14 testosterone-boosting foods to your grocery list. Research shows that men who exercise regularly have higher testosterone than those who don’t (10). Be sure to speak with your doctor or clinician on which method is best for you and your health needs. However, when you’re undergoing TRT, some people test to determine the peak amount of testosterone, and some people try to grab the trough, says McDevitt. Your testosterone is higher in the morning, so that’s the best time to test. Clinically, if you’re doing well and your doctor agrees that your levels are within good ranges, then you’ll want to test every six months. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. It is used clinically to treat testicular insufficiency, to suppress lactation (milk production), and to treat certain types of breast cancer. It also directs the development of the embryonic Wolffian ducts into the vas deferens (ductus deferens) and seminal vesicles and stimulates the formation of muscle and bone. It helps men develop during puberty, and as they age, it plays a critical role in helping control fat levels, cholesterol, and glucose levels (1). Cleveland Clinic’s primary care providers offer lifelong medical care. Your healthcare provider will let you know if you need further tests. Testosterone is a hormone responsible for male sex characteristics, sperm creation, and fertility. On treatment, the body stops making testosterone. If a man's testosterone is below the normal range, it's best to repeat it once more to be sure before starting testosterone therapy - often staying on it indefinitely. General fatigue and malaise has so many other causes, and when most men get a blood test, the result is a normal testosterone level. Just being tired isn't enough to seek testosterone replacement therapy. The ongoing pharmaceutical marketing blitz promises that low-T treatment can make men feel more alert, energetic, mentally sharp, and sexually functional. It is to stay within the physiologic range for women while assessing whether the symptom that justified therapy is actually improving. The question of women's TRT target levels is even more delicate. It helps determine who may qualify for therapy alongside symptoms; it does not mean every treated man should be driven to the same number regardless of response or formulation (Mulhall et al., Journal of Urology, 2018). There is no universal magic number that is ideal for every patient on testosterone therapy. Your provider is there to support you in all aspects of your health.