Testosterone Levels by Age Chart: What is Normal?

Normal and Average Testosterone Levels by Age CHART Blog

Male Excel’s Testosterone Lipoderm Cream can transfer from your body to others, including children and women. Transference can happen if other people come into contact with the area where Male Excel’s Testosterone Lipoderm Cream is applied. Children and women should avoid contact with the unwashed or uncovered (unclothed) areas where Male Excel’s Testosterone Lipoderm Cream has been applied to your skin. Low testosterone is also known as “male hypogonadism” – because of the reduced production of testosterone from the testicles.

According to the Cleveland Clinic (10), a testosterone test measures the concentration of the hormone in your blood. Testosterone levels vary by age, but the definition of “normal” is changing. In 2025, updated research and lab guidelines reflect what many clinicians already know. Men often experience symptoms of low testosterone even when their levels fall within the standard range. This guide breaks down the most recent age-based averages, what’s considered optimal for long-term health, and when it may be time to take action.

However, these levels vary throughout the day, so some people may need a retest to confirm the result. High testosterone levels are unusual in adult males, while children with high testosterone levels may have a growth spurt or start puberty early. High testosterone in all sexes can cause infertility, obesity, and in some cases, metabolic disorders. Treatment for abnormal testosterone levels will depend on several factors. In this blog post, with the help of a comprehensive chart detailing normal and ideal testosterone levels by age, you can testosterone increase muscle mass gain insights into what to expect with your testosterone levels as you grow older.

Based on the association of serum uric acid levels and testosterone levels with metabolic syndrome, there have been studies investigating their relationship, but the results are controversial. Some studies show a negative correlation17,18, while others indicate a positive association between serum uric acid levels and testosterone levels19,20. While testosterone levels tend to stabilize in adult males and reach a peak at 18 years of age21,22, other factors may influence these levels thereafter. Understanding male testosterone levels by age and knowing how to check test levels is essential for maintaining optimal health and well-being.

T production peaks during adolescence, and slowly starts to decrease by your mid-thirties. Women who have extremely low testosterone levels may have Addison disease, which is a disorder of the pituitary gland. Men who have testosterone levels that are higher than normal may have a tumor in their testicles or adrenal glands. Low testosterone in men may be a result of chronic disease, metabolic dysfunction, exposure to different toxins, certain pharmaceutical drugs, pituitary gland disturbances, or genetic variability.

These tests should be conducted in the morning (typically between 7 a.m. and 9 a.m.) when testosterone levels are at their peak. However, due to fluctuations in testosterone levels throughout the day, multiple tests may be necessary to confirm your levels accurately. Please note that the information provided in this article is for informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment. Once identified, it can help increase your odds of successful treatment. Chemotherapy for prostate cancer involves specific drugs targeting cancer cells. Chemotherapy is usually recommended when prostate cancer has spread, and hormone therapy is no longer effective.

It’ll cause the red blood cells to overproduce which can, in turn, create a clot in your blood vessels. You want smooth blood flow, so an increase in red blood cells could easily cause stagnation. Accompanying the weight gain is muscle loss, and the inability to perform workouts to the same levels as before, but also seeing fewer results from the same workouts. Danielle McDevitt, M.D., is a board-certified internal medicine physician who specializes in hormone optimization, anti-aging medicine, neuroscience, Lyme disease, and mold illnesses. She’s also the founder of Unalome House, a holistic medical spa in Severna Park, MD. Where your levels should be, how to know when they’re off, and how to test your hormones. Depression, fatigue, and loss of motivation are also commonly caused by low testosterone.

Testosterone levels can fluctuate throughout a man’s life due to factors like aging, lifestyle choices, habits, and overall health. Some men and women with low testosterone may not experience any symptoms at all. Getting a testosterone levels test is the best way to determine whether you have a normal level of testosterone, or whether you could benefit from testosterone replacement therapy. If you have questions or concerns about your testosterone levels, you should see your healthcare provider. They can perform blood tests to measure your testosterone levels and discuss treatment plans. The best time to have the test is in the morning when testosterone levels in the blood are usually highest.