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The Top Signs of Low Testosterone

There are many ways to tell if your testosterone levels are low. You might always feel tired, have trouble concentrating, or find that you’re gaining weight even though you’re eating and exercising the same as always. 

Low testosterone can also cause moodiness and irritability and can even lead to depression. If you’re experiencing any of these symptoms, it’s worth checking your testosterone levels. Here are the top signs that your testosterone levels might be low.

What is Low Testosterone?

Low testosterone is a condition in which the testes don’t produce enough testosterone, the male sex hormone. 

Testosterone is responsible for developing and maintaining male characteristics, such as facial and body hair, a deep voice, and strong bones.

Low testosterone can cause various symptoms, including 

  • Fatigue
  • Low sex drive
  • Erectile dysfunction

How Common is Low Testosterone?

It's no secret that testosterone levels decline with age. In fact, it's estimated that nearly 40% of men over the age of 45 have low testosterone. But what exactly is considered "low" testosterone? And how common is it, really?

To answer these questions, we must first understand what testosterone is and why it's so important. As previously discussed, testosterone is a hormone that plays a key role in male health. 

It helps to regulate sex drive, bone and muscle mass, fat distribution, and red blood cell production. So it's no surprise that low testosterone levels can lead to many problems, including erectile dysfunction, fatigue, reduced muscle mass, weight gain, and depression.

Now, that's a bit more complicated to answer about how common low testosterone is. You see, defining normal testosterone levels is a tricky business. That's because levels fluctuate throughout the day and can be affected by factors like body mass index (BMI), diet, alcohol consumption, certain medications, age, and illness. 

So, while we can't give you a definitive answer on low testosterone's prevalence, we can say that it's more common than you might think. If you're experiencing any of the symptoms mentioned above, it might be time to talk to your doctor about getting your testosterone levels checked.

What are The Causes of Low Testosterone?

Low testosterone has many potential causes, including age, lifestyle choices, and medical conditions. Here are some of the most common causes of low testosterone:

  • Age: Testosterone levels naturally decline with age. This is why older men are more likely to have low testosterone.
  • Lifestyle choices: Certain lifestyle choices can contribute to low testosterone levels. These include drinking too much alcohol, using drugs, and not getting enough sleep.
  • Medical conditions: Several medical conditions can cause low testosterone levels. These include obesity, diabetes, and pituitary gland disorders.

What are the Top Signs and Symptoms of Low Testosterone?

There are many signs and symptoms that can indicate low testosterone levels.

Low Sex Drive

A man's sexual appetite is often seen as a gauge of his overall health and virility. So when a man experiences a sudden drop in libido, it can cause concern. Low sex drive is the first sign of low testosterone in many cases. 

Testosterone is the hormone responsible for maintaining muscle mass, bone density, and red blood cell levels. It also plays a key role in sexual function. 

When levels of testosterone begin to decline, men may notice a decrease in energy levels, strength, and endurance. They may also have difficulty maintaining an erection and may suffer from reduced ejaculate volume. 

If you are concerned about low testosterone, speak to your doctor about getting tested. Low sex drive is not always indicative of low testosterone, but it can be a helpful early warning sign.


At some point in their lives, nearly every man will suffer from some form of man boobs. The condition is embarrassing and frustrating. Whether resulting from too much beer, an unfortunate gene, or simply aging. 

In most cases, man boobs are nothing more than excess fat deposits and can be easily treated with diet and exercise. However, in rare cases, man boobs signify something more serious: low testosterone levels. 

Testosterone is the hormone responsible for muscle growth and bone density, and low levels can lead to a host of problems, including fatigue, weight gain, and decreased libido. 

While man boobs are usually nothing to worry about, if you notice them accompanied by other symptoms of low testosterone, it's important to see a doctor.

Erectile Dysfunction

It's not just older men who suffer from erectile dysfunction. In fact, ED can be an early sign of low testosterone levels in men of all ages. While it's often thought of as a problem that only affects older men, the truth is that low testosterone can cause problems for guys of all ages.

Depressed Mood

Low testosterone can also lead to a depressed mood. This is because testosterone plays a role in regulating mood. When testosterone levels are low, men may experience feelings of sadness, anxiety, and irritability. 


Low testosterone levels can cause fatigue. This is because testosterone plays a role in energy production. When the levels drop, men find it difficult to maintain their energy levels throughout the day. They may always feel tired, even after a full night's sleep. 

Loss of Muscle Mass

Testosterone is also responsible for building and maintaining muscle tissue. Low testosterone makes men lose muscle mass, particularly in the arms and legs. They may also notice a decrease in strength and endurance. 

Loss of Bone Density

Testosterone helps build and maintain bone density. When testosterone levels drop, men start to experience a loss of bone density, particularly in the hips and spine. This can lead to an increased risk of fractures.

How Is Low Testosterone Diagnosed?

If you think you have low testosterone, the first step is to talk to your doctor. They will likely perform a physical exam and order a blood test to check your testosterone levels.

Your doctor will also ask about your medical history and symptoms. They may also ask about your lifestyle choices, such as alcohol consumption and drug use. Be honest with your doctor so they can make the best possible diagnosis.

Low Testosterone Treatment

If your doctor diagnoses you with low testosterone, they will likely recommend treatment. Treatment options for low testosterone include testosterone replacement therapy and lifestyle changes.

  • Testosterone replacement therapy: Testosterone replacement therapy is the most effective treatment for low testosterone. It involves taking testosterone through injections, gels, patches, or pellets.
  • Lifestyle changes: Making certain lifestyle changes can also help increase testosterone levels. These include exercise, weight loss, and stress reduction.

Final Word

If you're experiencing any of the symptoms we've outlined, it's possible that you have low testosterone. Luckily, there are treatments available, one of which is testosterone replacement therapy. Before you go this route, you must speak with your doctor to see if it's right for you. 

If you think you may be suffering from low testosterone and want to get rid of your man boobs, try out Esteem Apparel vests. These vests have been shown to help improve gynecomastia and increase confidence.