Normal and Average Testosterone Levels by Age CHART Blog What are Normal Testosterone Levels in Men by Age? Rebalance Health In these cases, a full sex hormone screen is useful, including free testosterone (FT), luteinising hormone (LH), follicle-stimulating hormone (FSH), and sex hormone binding globulin (SHBG). In males, testosterone levels drop by 100 ng/dL every 10 years, starting around age 30. The best time to have the test is in the morning when testosterone levels in the blood are usually highest. However, these levels vary throughout the day, so some people may need a retest to confirm the result. Too much or too little testosterone can lead to unwelcome symptoms and may be related to health conditions that require care. However, generally speaking, low testosterone levels in men are identified as 300 ng/dL or less. For middle-aged women, testosterone levels are considered below normal at levels of around 25 ng/dL or less. Well, to start, “testosterone is essential for sperm production,” he says. “On a societal scale, this could exacerbate population challenges, particularly in countries already experiencing aging populations and workforce shortages,” he says. The decline was observed across all age groups, but researchers said it raised particular concerns regarding younger populations. In males, the testes produce testosterone, while the ovaries produce testosterone in females. Additionally, both sexes produce small amounts of testosterone in the adrenal glands. Finding that your testosterone levels are very low, though, doesn’t automatically mean that you need treatment. As this data takes the middle third as normal, these normal ranges may be too narrow. As more data becomes available, it’s likely that the reference ranges for testosterone will improve to include age-specific values. Your doctor uses it to diagnose conditions caused by too much or too little testosterone. Anyone who suspects their testosterone levels are high or low should speak to their doctor or undergo testing. In males, this testosterone excess can also decrease the amount of sperm the body makes, which may lead to infertility or loss of sex drive. Just like it can be too low, your testosterone can you get pregnant on testosterone also be too high, and that’s equally problematic (8). Or, they might suggest a treatment tailored to your specific needs, which could include health testing, hormone therapy, or dietary adjustments. Leading a sedentary lifestyle may exacerbate testosterone declines in men as they age, according to a 2024 review published in Frontiers in Aging. But on the flip side, “regular physical activity, including strength training, has been linked to supporting healthy testosterone levels,” according to Bailey. As you will learn in this article, symptoms are a critical factor in determining whether a particular testosterone level is normal. T production peaks during adolescence, and slowly starts to decrease by your mid-thirties. You might feel like you can’t push through your workout, or lose focus during an important meeting. Treatment for abnormal testosterone levels will depend on several factors. If you feel like your testosterone levels might be too high or too low, talk