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Does Low Testosterone Cause Weight Gain In Men? What To Do?

Does Low Testosterone Cause Weight Gain In Men? What To Do?

For men, testosterone reduction is a natural aging process. However, what happens when the loss becomes significant?

Is there a link between "does low testosterone cause weight gain in men" and overall health? This article explores how low testosterone levels might contribute to weight gain in men, as well as problems with sexual function, low energy levels, weakening bone density, diving into symptoms, causes, and effective strategies for managing this condition. We'll guide you through understanding the impact of testosterone on your body and the steps you can take to maintain a healthy balance.

What is Testosterone?

Testosterone is the primary sex hormone in males, created in the testicles. It plays a vital role in overall health and well-being, as well as various bodily functions, including muscle growth, bone density, sex drive, and even mood regulation. It is also responsible for various masculine characteristics, such as the deepening of the voice, muscle development, and facial features. According to the National Library of Medicine (NLM) has proven that men with higher testosterone levels have a better metabolic rate, and they tend to have a lower body fat percentage.

Does Low Testosterone Cause Weight Gain in Men?

Yes, low testosterone levels can indeed contribute to weight gain in men. When testosterone levels decline, several factors come into play.

Does Low Testosterone Cause Weight Gain in Men?

Here are some, let’s explore:

  1. Increased Fat Accumulation:
    Men with low testosterone may experience a shift in fat distribution, leading to more fat accumulating in the abdominal region. This excess belly fat is associated with health risks and contributes to weight gain.
  2. Reduced Muscle Mass
    Testosterone affects muscle mass. When testosterone levels are low, men may gradually lose muscle mass—a phenomenon known as sarcopenia. With less muscle mass, the body’s metabolic rate decreases, resulting in fewer calories burned at rest. This reduction in basal metabolic rate can contribute to weight gain over time.
  3. Impaired Metabolic Function
    Testosterone plays a role in metabolism. Low testosterone levels can lead to metabolic changes, affecting how the body processes energy and nutrients. This disruption can further contribute to weight gain. According to the National Library of Medicine, a decline in testosterone production will slow down metabolism, making it harder to lose weight.
  4. Impact on Appetite Regulation and Energy Balance
    Testosterone also influences appetite regulation. Men with low testosterone may experience changes in hunger and satiety signals, potentially leading to overeating and weight gain.

Symptoms of Low Testosterone

When a man has low testosterone, it means his body isn’t making enough of a very important hormone. This can cause a bunch of different problems, not just losing muscle or gaining weight but also leading to serious medical conditions. While some men may not experience any symptoms, others may experience various symptoms. Recognizing these symptoms can help you identify low testosterone and seek prompt treatment.

Here are some additional symptoms that you should be aware of:

  • Fatigue
  • Depression
  • Sex Drive

1. Feeling Really Tired

One big sign of low testosterone is feeling super tired all the time. Testosterone helps give you energy, so when you don’t have enough, you might feel like you can’t get excited or motivated to do much of anything. Even if you sleep well, you might still feel drained and too tired to do your usual activities.

Another frequently experienced symptom is low energy and fatigue. You may be exhausted all day for no reason, even after having some sound sleep at night.

2. Feeling Sad

Low testosterone can also make you feel really down or sad, kind of like when you’re depressed. Your body needs the right balance of hormones to feel good, and when that balance is off, it can make you feel unhappy. Guys with low testosterone often feel this way, and it’s important to know that feeling sad isn’t just about being in a bad mood; it can be because of this hormone problem.

3. Not Interested in Sex

Since testosterone is super important for a man’s desire for sex, not having enough of it can make you not interested in sex at all. This can be tough on you and may also affect your relationship with your partner. It’s one of the clear signs that your testosterone might be lower than it should be.

Not Interested in Sex

Such an issue can be very annoying to many men, so it is recommended to discuss the matter with a healthcare specialist if you are experiencing this problem.

4. Trouble Getting or Keeping Erections

Low testosterone can also make it hard to get or keep an erection. This isn’t just about feeling in the mood; it’s about how your body responds physically, which can be frustrating and may affect your self-confidence.

5. Weak Bones

This hormone issue can also lead to bones becoming weaker, which is not as obvious as the other signs but is very important. Bones that lose density can lead to easier fractures or breaks, which nobody wants.

6. Losing Muscle

Even if you’re working out, low testosterone can make it tough to keep your muscles strong. You might notice your muscles getting smaller or feeling weaker, which is frustrating if you’re trying to stay fit.

7. Gaining Fat

Lastly, an increase in fat, especially around the belly, can be a sign of low testosterone. You might notice more fat even if you haven’t changed your eating or exercise habits.

These signs are your body’s way of telling you something might not be right. If you notice them, it’s a good idea to talk to a doctor so you can get the help you need to feel better.

Causes of Low Testosterone in Men

Low testosterone (also known as male hypogonadism) occurs when the testicles fail to produce sufficient testosterone. There are many different causes that may result in low testosterone levels in men's bodies. For instance:

  • Obesity
  • Congenital or Chromosomal Conditions
  • Being Underweight
  • Pituitary Disorders

Let’s break these factors down!

Causes of Low Testosterone in Men

1. Obesity

  • Obesity has a significant impact on testosterone levels, often more pronounced than the effects of aging.
  • Excess body fat, especially around the abdomen, can disrupt hormonal balance and lead to low testosterone.

2. Congenital or Chromosomal Conditions

  • Genetic conditions such as Klinefelter syndrome (XXY) or Kallmann syndrome can affect testosterone production.
  • These congenital or chromosomal abnormalities may result in low testosterone levels.

3. Being Underweight

  • Severely low body mass index (BMI), malnutrition, and excessive exercise can contribute to low testosterone.
  • Maintaining a healthy weight is essential for hormonal balance.

4. Pituitary Disorders

  • Issues with the pituitary gland can disrupt the normal functioning of the hypothalamus-pituitary-gonadal axis.
  • The pituitary gland releases hormones that regulate testosterone production, so any dysfunction can lead to low testosterone.

Remember that some men may not experience any symptoms at all, while others may exhibit a variety of signs

How Does Testosterone Affect Muscle Mass?

The primary role of testosterone is to provide muscle growth by starting protein synthesis. This is the method your body uses to build muscle tissue. Muscle breakdown is also reduced. When testosterone levels drop too much, these body processes get disrupted, resulting in muscle mass loss.

How Does Testosterone Affect Metabolism?

Testosterone is the hormone responsible for insulin sensitivity. This substance plays a crucial role in maintaining normal blood sugar levels. Lack of testosterone, for example, can cause insulin resistance, which is a situation where the body cannot use insulin effectively. This can result in increased blood sugar levels and higher body weight.

Strategies for Preventing Low Testosterone and Weight Gain

To fight low testosterone and weight gain, changing your daily habits is key. These simple yet effective steps can make a big difference in your health.

Strategies for Preventing Low Testosterone and Weight Gain

First up, let's talk about lifestyle changes that can help:

1. Lifestyle Modifications

  • Regular Exercise: Strength training allows you to develop and keep muscle mass, which helps regulate the metabolism and control the weight gained.
  • Diet and Nutrition: A well-balanced diet that is rich in fruits, vegetables, whole grains, and lean protein can help maintain balanced testosterone levels as well as overall well-being.
  • Maintaining a healthy weight: As mentioned before, obesity can decrease testosterone levels among men. Therefore, keeping weight at the right level may help prevent or improve low testosterone.

→ Step into our FASST Program, uniquely designed with you in mind! It's your guide to unlocking the understanding of nutrition and diet in a safe, plus balancing food groups and nurturing your overall health.

2. Medical Treatments

  • Regular Health Checkups: Set regular appointments with a doctor to analyze your testosterone levels and discuss treatment options if necessary.
  • Testosterone Replacement Therapy (TRT): Sometimes, testosterone replacement therapy is also considered a possible option to cure low levels of testosterone. This should be treated as a serious medical situation you and your doctor should discuss.

3. Natural Remedies and Supplements

A balanced diet rich in fruits, veggies, whole grains, and lean protein is essential for overall wellness. As a result, it can be a critical factor in enhancing testosterone levels.

Natural Remedies and Supplements

Moreover, you can try our best-selling supplements like HCG for Men. Extracted from natural ingredients and contains special essences designed specifically for men, helping restore performance, increase confidence, and improve the quality of sexual life.



So, does low testosterone cause weight gain in men? Yes. If testosterone levels are low, you may have big trouble managing your weight. By embracing a healthier lifestyle and, if necessary, seeing a doctor, you can control your health and well-being. Just remember that a healthy lifestyle is the key to preventing testosterone levels from decreasing and weight gain! For more information about men's health, visit STAAR LABS today.


1. Does low testosterone cause belly fat?

⇒ Yes. Low testosterone is one of the factors that cause a person to gain belly fat, particularly visceral fat, which is linked to several health risks.

2. What does low testosterone do to men?

⇒ Men suffering from low testosterone will exhibit various symptoms, including muscle loss, fatigue, reduced libido, weight gain, erectile dysfunction, and mood change.

3. Can low testosterone make you skinny?

⇒ Although some men with low testosterone levels might lose weight, that's primarily due to muscle loss rather than fat loss. This can lead to a frail appearance.

4. Does more testosterone help you lose fat?

⇒ Although testosterone can support weight reduction through muscle growth and metabolism, it is not a universal solution for removing body fats. Physical fitness and a balanced diet are still crucial to a healthy body weight.

Oxford Academic (1992). Access date: 2024-03-22.

T. Hugh Jones & Vakkat Muraleedharan (10/2010). Access date: 2024-03-22.

UGATL (11/2022). Access date: 2024-03-22.

Balance My Hormones (24/12/2020). Access date: 2024-03-22.

Hypertension Research (23/03/2010). Access date: 2024-03-22.

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