Beyond reproductive health, testosterone contributes significantly to overall male vitality, influencing mood, energy levels, and cognitive abilities. Its roles in the body are multifaceted, impacting both physical and psychological aspects of health in men and women. In the intricate dance of hormones within the human body, testosterone plays a leading role. On the other hand, unusually high testosterone levels can lead to conditions such as polycystic ovary syndrome (PCOS) in women, characterized by irregular menstrual cycles, acne, and excessive hair growth. Testosterone levels naturally decline as men get older. Assess thyroid function with a free T4 and TSH blood test. Assess thyroid, nutrition, and heart health for lifelong wellness. This blood test for men offers a comprehensive look at your wellness. These symptoms could also be caused by other conditions. Low testosterone (Low T) is more common than high testosterone in men. It is recommended that your blood sample is collected between 7 a.m. In recent years, researchers (and pharmaceutical companies) have focused on the effects of testosterone deficiency, especially among men. The ovaries of women with PCOS contain multiple cysts. Having too much naturally-occurring testosterone is not a common problem among men. Testosterone levels are too carefully controlled by the brain for that to occur. But having high cholesterol doesn't mean your testosterone will be high. Testosterone is synthesized in the body from cholesterol. These hormones are thought to have important effects on Levels decline with age, so what's "normal" for a 25-year-old differs from a 55-year-old. Optimal levels for symptom relief are usually in the upper half of the range. His free T is actually 15 pg/mL—better than the first man despite lower total testosterone. Some men with values in the lower-normal range feel fine, while others may be symptomatic. In comparison, normal testosterone levels for men ages 19 years and older are typically between 240–950 ng/dL. Like other hormone types, there’s a chance that someone can have abnormal testosterone levels. It's normal for testosterone levels to decrease with age. Most testosterone levels tests involve a blood draw in a medical setting. For males who have gone through puberty, the test is mostly used for symptoms of low T levels (testosterone levels which are too low).