13 Jan , 23

Testosterone Levels and Why You Should Know Them

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Testosterone is known as the master male sex hormone that plays a crucial role in your physical and emotional health. We’re all pretty familiar with the fact that it is produced primarily in the testicles, and that testosterone is responsible for the development of male secondary sexual characteristics, such as muscle and bone mass, body hair, and a deep voice. It also plays a vital role in maintaining men’s overall health and well-being, including sex drive, cognitive function, and cardiovascular health.

One of the most important functions of testosterone is its role in muscle and bone strength. Testosterone promotes the growth of muscle mass and bone density, which helps to prevent conditions such as osteoporosis and frailty. Studies have shown that men with low testosterone levels have a higher risk of developing muscle weakness, which can lead to disability and reduced quality of life.

Secondary But Important Functions Of Testosterone

Testosterone also plays a key role in maintaining a healthy sex drive. It is responsible for the production of sperm, as well as the development of the male reproductive organs. Low levels of testosterone can lead to a reduced sex drive, erectile dysfunction, and infertility. Men with low testosterone levels may also experience difficulty with sexual desire and arousal, and may have difficulty achieving or maintaining an erection.

In addition to its physical effects, testosterone also plays a role in cognitive function and mental health. Testosterone has been found to improve memory and cognitive function, as well as mood and emotional well-being. Men with low testosterone levels may experience difficulty with memory and concentration, as well as increased rates of depression and anxiety.

Testosterone also plays a role in cardiovascular health. Studies have shown that men with low testosterone levels have an increased risk of heart disease and stroke. Testosterone helps to regulate cholesterol levels, blood pressure, and blood sugar, which helps to prevent the development of these conditions.

3 Main Forms Of Testosterone

There are three main forms of testosterone in men: free testosterone, bioavailable testosterone, and total testosterone.

  1. Free testosterone: This is the testosterone that is not bound to any protein and is considered the most active form of the hormone. It is responsible for the majority of the physiological effects of testosterone, and it is the form that is measured when assessing a man’s testosterone levels.
  2. Bioavailable testosterone: This is the testosterone that is not bound to a protein but is available to be used by the body. It includes free testosterone as well as testosterone that is weakly bound to albumin, a protein in the blood.
  3. Total testosterone: This is the sum of all forms of testosterone in the blood, including free, bioavailable, and bound testosterone. It is the form of testosterone that is most commonly measured in blood tests. It’s important to note that total testosterone level may not give the complete picture of the testosterone status of an individual as it includes both bioavailable and bound testosterone which may not be active.

It’s also worth noting that testosterone levels can fluctuate during the day and can be affected by various factors such as age, stress, and lifestyle. Therefore, it’s important to measure testosterone levels at the same time of day and under the same conditions to get an accurate measurement.

Who Should Get Testosterone Levels Checked

Testosterone levels begin to decline gradually in men starting from around age 30, with a more significant decline occurring after age 40. This decline in testosterone is known as “andropause” or “male menopause.” The symptoms of andropause can include decreased muscle and bone mass, increased body fat, reduced sex drive, and difficulty with memory and concentration.

If a man suspects that he may have low testosterone levels, he should speak with his doctor. Testosterone levels can be measured through a simple blood test. If a man’s testosterone levels are found to be low, his doctor may recommend testosterone replacement therapy. Testosterone replacement therapy can be given in the form of gels, patches, injections, or pellets. It is important to note that testosterone replacement therapy should only be given under the supervision of a healthcare professional, as it can have potential side effects such as acne, breast enlargement, and an increased risk of prostate cancer.

In addition to testosterone replacement therapy, there are also lifestyle changes that men can make to help boost their testosterone levels. These include eating a healthy diet, exercising regularly, getting enough sleep, and managing stress. Eating a diet that is rich in zinc and magnesium, which are essential for testosterone production, can also help boost testosterone levels.

In conclusion, testosterone is a vital hormone for men’s health. It plays a key role in muscle and bone strength, sex drive, cognitive function, and cardiovascular health. Men who suspect they may have low testosterone levels should speak with their doctor, as testosterone replacement therapy may be an option. Making lifestyle changes such as eating a healthy diet, exercising regularly, getting enough sleep, and managing stress can also help boost testosterone levels. Maintaining healthy levels of testosterone is important for men’s overall well-being and quality of life.


Todd Lamb is one world's most trusted sources of Health and Fitness information and programming. He has dedicated his life to the service of others having served as a member of the Royal Canadian Regiment in the Special Service Force and as 17 year veteran Police Officer with 10 years on SWAT and 4 as a Team Leader. Todd is dedicated to transforming the lives of 1,000,000 men through honest science based information backed up with years of practical experience in Tactical Operations. Todd is a Best Selling Author of multiple best selling fitness programs and the book STAND APART

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