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In general, androgens such as testosterone promote protein synthesis and thus growth of tissues with androgen receptors. As the metabolism of testosterone in males is more pronounced, the daily production is about 20 times greater in men. In humans and most other vertebrates, testosterone is secreted primarily by the testicles of males and, to a lesser extent, the ovaries of females. Testosterone is a steroid hormone from the androstane class containing a ketone and a hydroxyl group at positions three and seventeen respectively. You should consult your personal healthcare provider regarding any medical concerns or before making healthcare decisions.By providing your phone number, you agree to receive text messages from Function Health. Results do not constitute a medical diagnosis, treatment plan, or substitute for care from your physician.Studies show that zinc deficiency can have a dramatic effect on testosterone and cause serum testosterone levels to decrease. Research from Dr. Prasad (a popular zinc researcher), shows that zinc deficiencies are linked to hypogonadism in men, a condition caused by low testosterone levels. Protein is crucial for building muscle, bone health, brain function, immune system function, cellular repair, blood sugar balance, and thyroid health.
Depending on your test results, your doctor might prescribe thyroid medication or hormone replacement therapy (HRT) to bring your hormones back into normal range. "It’s really important to measure all the right things when you’re looking at testosterone production in general, and especially in the setting of hypothyroidism," says Fishman. Your body needs the right amount of testosterone to function at its best. "Somebody might have hypothyroidism because the thyroid is not being stimulated enough from the pituitary gland," says Fishman. With normal levels of this active form of testosterone, you might not feel symptoms of low testosterone. However, your free testosterone levels might still be in the normal range, says Fishman.
A healthcare provider can run tests to determine whether low testosterone, thyroid dysfunction, or another issue is responsible. An overactive thyroid (hyperthyroidism) or an underactive thyroid (hypothyroidism) can lead to a wide range of symptoms. Both men and women can experience low testosterone levels, though it’s more commonly discussed in men. The body’s endocrine system functions as a network of glands that work together to produce and regulate hormones.
Chronic imbalances in thyroid hormones can lead to sustained disturbances in testosterone, which may affect overall health and quality of life. Managing hyperthyroidism typically involves medication to reduce thyroid hormone production, which can stabilize testosterone levels. Research indicates that men with hypothyroidism often experience a decrease in testosterone levels, which can lead to symptoms such as fatigue, weight gain, and reduced libido. These hormones ensure that different systems in the body work in harmony, and their levels can be influenced by various factors including testosterone levels. Both androgens like testosterone and DHEA play roles in reproductive health and metabolism, while thyroid hormones are also involved in metabolism, fertility, and energy. It's recommended to address thyroid imbalances first, as thyroid hormones play a significant role in regulating metabolism and overall hormonal health.
Women and men with thyroid problems may struggle with fatigue, muscle weakness, and skin issues. For example, weight gain can be related to a thyroid imbalance or too many wings and beer nights. Thyroid problems in men can often fly under the radar because the symptoms may be subtle and easily confused with other conditions. Too much testosterone may lead to lower sperm counts; raised cholesterol, which can up your risk for high blood pressure; cardiac events like heart attacks; and liver damage.
The male brain is masculinized by the aromatization of testosterone into estradiol, which crosses the blood–brain barrier and enters the male brain, whereas female fetuses have α-fetoprotein, which binds the estrogen so that female brains are not affected. It has been theorized that brain masculinization is occurring since no significant changes have been identified in other parts of the body. The levels remain in a pubertal range for a few months, but usually reach the barely detectable levels of childhood by 4–7 months of age. Prenatal androgens apparently influence interests and engagement in gendered activities and have moderate effects on spatial abilities.
In women, correlations may exist between positive orgasm experience and testosterone levels. This is known as hormone replacement therapy (HRT) or testosterone replacement therapy (TRT), which maintains serum testosterone levels in the normal range. Some of these effects may decline as testosterone levels might decrease in the later decades of adult life. In males, these are usual late pubertal effects, and occur in women after prolonged periods of heightened levels of free testosterone in the blood. Insufficient levels of testosterone in men may lead to abnormalities including frailty, accumulation of adipose fat tissue within the body, anxiety and depression, sexual performance issues, and bone loss.