8 symptoms of low testosterone

Testosterone is the main male sex hormone. However, it is not only responsible for sexuality, but also affects many important functions in the body. The older men are, the less hormone they produce. But how do you know that you are deficient in testosterone?

First, women also produce testosterone in their ovaries. But in much smaller quantities than men. This is why women are much less likely to be affected by testosterone deficiency and related ailments. From the age of 30, testosterone levels in men slowly decrease by about one to two percent per year.1 Any complaints therefore manifest themselves gradually. However, especially in the age group over 60, about 20 percent of men are affected by testosterone deficiency.2 how do you know him FITBOOK has compiled the eight most important symptoms of testosterone deficiency.

How is testosterone deficiency diagnosed?

Testosterone deficiency can only be diagnosed by a doctor’s blood test. Because almost all of the symptoms that indicate hormone deficiency can have other reasons. In addition, reducing testosterone production in the testes is part of the aging process in men and is therefore a completely natural process. Experts recommend treating testosterone deficiency only if the quality of life suffers. Or deficiency leads to health problems.

Because testosterone levels fluctuate greatly during the day, your doctor usually measures it in the morning when it is highest. It is given either in nanomoles per liter (nmol / l) or in nanograms per milliliter (ng / ml). The normal range is relatively wide: values ​​between 10 to 40 nmol / l or 3.5 to 11.5 ng / ml are in the green range. However, if you are at the lower end of the range, you may already have complaints.

Also interesting: Protein-rich nutrition can massively lower testosterone

There are many reasons for testosterone deficiency

  • natural aging process
  • Stress at work or in private life
  • unhealthy food
  • Sleep Disorders
  • Diseases such as diabetes, cancer, kidney failure
  • use of anabolic steroids
  • Heavy drug use: alcohol, nicotine, etc.
  • certain drugs

8 symptoms that may indicate low testosterone levels

In particular, the combination of several symptoms together can be a strong indicator that a person is deficient in testosterone. If these symptoms persist for more than two weeks, it is advisable to consult a doctor. Because it may not be a lack of testosterone, but a disease that needs to be treated.

Also interesting: Are men with high testosterone levels more successful?

1. Loss of libido – no desire for sex

Whether in a partnership or as a single: Anyone who finds that their desire for sex has decreased significantly over time or that they have erection problems may be an indicator of testosterone deficiency. It can also be stress, relationship problems and other reasons.

2. Lack of drive, less energy

Testosterone deficient men often complain of lack of exercise. No wonder, after all, the male sex hormone is responsible for our strength and energy. One of the main reasons why testosterone is taken as doping to improve performance by both professional and amateur athletes. Therefore, if your performance drops significantly during sports and you find that you lack energy in your daily life, you may have low testosterone levels.

Also interesting: Does testosterone deficiency cause serious illness?

3. More adipose tissue on the abdomen, narrow shoulders

The optical ideal for men looks like this: wide shoulders, narrow waist. If you look in the mirror and see the exact opposite – narrow shoulders and belly fat – you may have a lack of testosterone. Especially if the appearance has evolved from a rather fit to a rather chubby over the years, this may be a sign of a testosterone deficiency.

Also interesting: Scientifically proven methods to reduce dangerous belly fat

4. Depressed moods

Both the lack of testosterone and the symptoms it causes, such as loss of libido, lack of driving and weight gain, can lead to depressed moods. You are in a bad mood, aggressive and dissatisfied with yourself and life. Depression is a serious topic, so it is always important to consult a doctor if you no longer see the meaning of life. This can be caused by reasons other than testosterone deficiency.

Also interesting: Possible symptoms of depression

5. Decrease in body hair

In men with testosterone deficiency, body hair also changes. It becomes lighter, especially on the face in the armpits and hair area.

6. Altered metabolism

Testosterone deficiency is much more likely in overweight, type 2 diabetes and metabolic syndrome men. Metabolic syndrome is referred to when obesity, high blood pressure, high cholesterol and high blood sugar occur in combination. According to studies, about 20 to 40 percent of those affected also have a lack of testosterone.3

Also interesting: 8 bugs that slow down metabolism and prevent weight loss

7. Reduced bone density

Decreased bone density to osteoporosis is also an indicator of testosterone deficiency. Therefore, if you break a bone immediately after a minor injury, you may have reduced bone strength due to a lack of testosterone.

8. Greater chest development in men

When the mammary glands enlarge in men, it is called gynecomastia. Older men, in particular, often have a tendency to develop breasts – and this is not due to sports. This may be a sign of hormonal changes in the body. Testosterone deficiency is often accompanied by an excess of estrogen.

Also interesting: To the dream body over 40 years – a 7-point plan for men

Testosterone deficiency treatment options

When talking to your doctor, you can find out if therapy is needed for low testosterone levels or if a lifestyle change will help to increase testosterone levels somewhat. FITBOOK has already explained how testosterone production can be increased naturally.

If the quality of life suffers significantly, there is a possibility of artificially increasing testosterone levels using gels applied to the skin or monthly injections. However, it is important to realize that this is an intervention in the body’s sensitive hormonal balance. For example, testosterone substitution may increase the risk of prostate cancer or accelerate the development of undetected tumors. Therefore, your doctor must make it clear in advance that you are not at risk and that the prostate has no abnormalities.


  • 1. Travison, TG, Araujo, AB, Kupelian, V. et al. (2007). The relative contribution of aging, health and lifestyle factors to the decrease in serum testosterone in men. Journal of Clinical Endocrinology and Metabolism.
  • 2. Kaufman, JM, Vermeulen, A. (2005). Decreased androgen levels in older men and its clinical and therapeutic implications. Endocrine reviews.
  • 3. Haring, R., Ittermann, T., Völzke, H. et al. (2010). Prevalence, incidence and risk factors for testosterone deficiency in a male cohort: the results of a health study in Pomerania. Aging man.
  • Patient information.de: testosterone in older men (accessed June 22, 2022)

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