Low Testosterone Facts and Myths – What’s the Truth?

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In this post, I am going to discuss several topics about low testosterone facts and myths. You need to know what the truth is and what is not true. For example, low testosterone levels are normal after a male turns 40. Nope, this is not true. After a man turns 40, testosterone levels only drop around 1% per year. So it would take a very long time for your testosterone to drop to a level considered in the low range.

Fact – It is Not Normal for a Male to Have Low Testosterone if Healthy.

Even though all males start losing some testosterone production at the age of 30 – 35, low testosterone is not normal in healthy males. A male’s testes stop producing nearly as much testosterone after they turn 40 like they did when you were in your teens. You will lose about 1 – 1.5% of testosterone production per year after you turn between 30 – 40. But that does not mean you have low testosterone, just lower levels that could still be well within the normal range for your age.

Myth – Low Testosterone is the Cause of Low Libido or Low Sex Drive.

Lower sex drive or low libido is one of the first symptoms of low testosterone but is not the only symptom of low T. About two-thirds of men who have low sex drive actually do not have low testosterone levels. Many other things, like hormones, thyroid issues, and injury to various body parts can cause low sex drive.

Many males think their erectile dysfunction(ED) is due to low testosterone, but when tested most discover that isn’t the case. ED has many other causes that are not related to low testosterone. We won’t discuss all those at this time since this post is focused mainly on Low T.

Fact – Low Testosterone is More Likely in People With Type 2 Diabetes.

Research suggests that at least one-third of males with Type 2 Diabetes have or will have low testosterone. That is why it is important that a low testosterone test is administered on males with Type 2 Diabetes. This will help isolate the reasons behind fatigue, loss of muscle mass, and/or being overweight in diabetics.

There was a study in the Diabetic Care Journal that indicated that men between 18 and 35 with Type 2 diabetes had much lower testosterone levels than males with Type 1 diabetes. It also indicated that a high Body Mass Index(BMI) was usually associated with low testosterone.

Myth – There is No Medical Treatment for Low Testosterone.

There is no medical treatment that will cure Low Testosterone, but there is medical Testosterone Replacement Therapy (TRT) treatment that will help increase your low T levels. It has been shown to improve not just libido and your ability to have sex, but also bone density, muscle mass, mood, thinking skills, and even heart disease. Your doctor might suggest it if you’ve been diagnosed with testosterone deficiency and have ED. In a later article, I will cover the negative side effects of TRT that you need to consider before starting replacement therapy.

The Food and Drug Administration has only approved prescription testosterone products for men whose low T levels are caused by specific medical conditions. This means you can’t get them just because you’re getting older or just because your testosterone level is lower than normal. You have to go have a detailed blood test done to determine if TRT is needed or not.

Fact – Your Own Habits Can Lower Your Testosterone Levels.

Some lifestyle choices you make can have a negative effect on the amount of testosterone in your body. For example, studies show that smoking reduces testosterone levels. Tobacco is believed to interfere with the body’s production of luteinizing hormone, which helps make testosterone.

Being overweight or obese can produce bad effects as well. Too much body fat can cause testosterone to be converted into estradiol, a female hormone. In fact, in a study published online in the Endocrine Journal in March 2015, overweight and obese men who began a program of exercising and dieting increased their testosterone levels significantly as they lost weight over 12 weeks.

NOTE: Over-exercising, such as high-intensity cardio, actually decreases testosterone levels. Don’t confuse HIIT with high-intensity cardio. They are not the same thing.

Fact – Low Testosterone Can Cause Depression,  and Depression Can Cause Lower Testosterone.

Most men don’t know that depression can lower their testosterone levels. Since many men don’t recognize signs of their own depression or are reluctant to seek help treating depression, this is a significant problem for millions of men. Sometimes restoring testosterone levels can also calm symptoms of depression — and sometimes lowering the depression with psychotherapy and/or antidepressant medications can raise testosterone levels.

LEARN MORE ABOUT DEPRESSION: You can learn how to deal with depression to increase testosterone by CLICKING HERE.

NOTE: Some anti-depressants can also cause lower testosterone. Zoloft is one of these.

Fact – There are Some Foods That are Testosterone Killers!

  • Soy – Mimics estrogen and has the same testosterone killing effects as estrogen. Most soy today is genetically modified.
  • Sugar – Not only is sugar bad for you in almost every way but now it also leads to massive increases in estrogen which in men, is a testosterone killer.
  • Simple Carbohydrates – Your usual junk-food carbs like donuts, cookies, crackers, etc. These carbs turn directly into sugar.
  • Milk (non-organic) – Contains around 20 medications and chemicals that increase estrogen.
  • Meats (non-organic) – Meats have all kinds of steroids and other chemicals in them. It is best to look for grass-fed organic meats since we know meats can be great testosterone boosting food!

You Need to Know the Facts and What is Not True About Testosterone.

A man’s normal total testosterone range is about 300 nanograms per deciliter (ng/dL) to 1200 ng/dL depending on the lab. A score on a blood test that is lower than normal can be caused by a lot of other conditions, which include the following:

  • Injury to the testicles
  • Testicular Cancer or even the treatment for testicular cancer
  • Hormonal disorders
  • Some types of Infection
  • HIV or AIDS
  • Chronic Kidney or Liver disease
  • Type 2 Diabetes
  • Obesity

Some medicine side effects and genetic conditions can also lower a man’s testosterone score.

Aging does contribute to lower scores.

Sometimes, the cause is unknown.

Please do your research before taking any supplements, herbs, or vitamins to treat Low T.

Get a blood/urine test and see an endocrinologist if you suspect you have low testosterone.

Eat healthier foods and take high-quality natural herbs and vitamins.

Check out many of my other posts for more information on natural supplements and other ways to naturally increase your testosterone.


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Curtis Henderson


  1. Very interesting site, with plenty of good information! Just wondering if you plan to offer sources of supplements at some point. Keep up the great writing!

    • Scott,
      I have reviewed many supplements since this article so I wanted to circle back to your comment. I have reviewed and highly recommend only a few supplements. You can read my reviews of these products here.

  2. Wow! I did not know about low T and type 2 Diabetes! It is crazy how many conditions go hand in hand. This page is very informative as well and the disclaimer is very appropriate! Very good site!

    • Thank you Halie. I have many more articles on Low T and many other things as well on my site now. Please feel free to check them out and let me know what you think. If you have any questions, please let me know.

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