Testosterone has many functions in the body. As a primary sex hormone and a naturally produced anabolic steroid, testosterone has many functions in the body. Testosterone helps control bone density, promotes muscle growth, and helps control the development and function of male sexual organs. Testosterone is also one of the driving forces of your sex drive.

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Can low testosterone cause ED?

Research has shown that, in some cases, low testosterone may be responsible for issues achieving and maintaining an erection. However, this isn’t the be-all and end-all of erectile dysfunction (ED). ED can have many root causes, both physiological and psychological; however, in some cases, low testosterone levels may be the culprit. Low testosterone levels can be caused by a number of factors, including;

  • Endocrine disorders – your endocrine system controls your body’s hormone levels. Disorders of the endocrine system can leave your testosterone levels out of balance.
  • Damage to the testicles – your testicles are the main site of testosterone production. Physical injury, certain viral infections, conditions such as testicular cancer or even long-term alcohol and drug abuse can contribute to preventing your testicles from producing enough testosterone.
  • Medical treatments – some medications can have side effects that reduce testosterone production. This is most common in chemotherapies for cancer but can be seen in a variety of hormonal treatments.
  • Stress – increased stress can cause your hormone levels to be altered. Your body reacts to higher levels of cortisol and other stress hormones. In some cases, this can lead to testosterone levels being depleted long-term.
  • Ageing – as you get older, your body begins to naturally stop producing testosterone. Once you hit 30, testosterone production will begin to decrease by roughly 1% year on year. 20% of older men above the age of 60 report having low testosterone levels.

Symptoms of low testosterone can vary, but today we will focus on erectile dysfunction. If you are concerned about your testosterone levels, please contact your doctor for a diagnosis.


Testosterone deficiency can lead to your body being unable to achieve or maintain an erection. It may also indirectly cause ED by reducing your libido (your desire for sexual activity). This can be fairly disheartening for some men, but it doesn’t need to mean the end of your sex life. 

Treatment Options

Testosterone replacement therapy (TRT) can be a solution to treat ED in some men. Various forms of TRT have been medically reviewed for use in treating erectile dysfunction. Currently, this includes oral agents, buccal tablets, injectable formulations, transdermal patches and gels


While the mechanism of delivery may vary, these treatments all work in similar ways. By replacing the testosterone your body is not producing, you can reactivate various body functions, including arousal. Most commonly, testosterone is replaced with a synthetic alternative that performs many of the same functions in the body.


However, there are some issues with these treatments. Firstly, using testosterone replacement therapies comes with an increased chance of prostatic diseases, including prostate cancer. You will need to be screened for prostate problems before you can be prescribed TRT.


Secondly, such treatments will not work in all cases. For instance, if the root of the ED is psychological, more testosterone won’t necessarily fix the issue. Similarly, issues with blood pressure or blood flow to the penis won’t be fixed by higher doses of testosterone. 


If you are unsure of the cause of your erectile dysfunction, speak to your doctor or pharmacist. This will allow you to figure out which treatment is right for you.


Here at Simple Online Pharmacy, we had a wide variety of treatments available to help deal with erectile dysfunction. We stock industry leaders such as Viagra and Cialis


We also supply chemically-identical generic treatments, such as Sildenafil and Tadalafil. The only differences between branded and generic medications are their appearance and their price. They are chemically identical and will work the exact same way as their branded counterparts, at a fraction of the price.


Currently, Simple Online Pharmacy has several options for treating low testosterone, including;

We also offer an at-home testosterone blood test. Please note that these treatments are designed to help treat low testosterone levels. They have not been tested specifically as treatments for erectile dysfunction. 

Take an assessment and see your ED options now


You will also need to speak to your doctor to diagnose low testosterone to order these products. Please read our Low Testosterone section for more details.

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