Testosterone Levels

Get testing and treatment for your testerone levels

Prices from £49.99

Simply fill in a brief questionnaire. One of our doctors will review your order and prescribe a suitable treatment. How to Order

Testosterone is a steroid hormone (an androgen) made in the testicles and in the adrenal glands. Testosterone has a variety of functions in men and is produced in high amounts in both males and females during puberty. Testosterone can be tested to check for several medical conditions in males. If you have low testosterone, you may be able to get treatment online.


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60g pack of Tostran 2% testosterone gel
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Pack of 30 50mg Testogel testosterone gel sachets
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About testosterone level testing

Who can get testing or treatment online?

You can get tested if you’re a male over the age of 18.

You can get treatment online if:

  • You’re aged 18 to 65
  • You have testosterone deficiency and you are currently being treated for it
  • You don’t have current or past health conditions that make testosterone treatment unsafe

How to place an order

The process is quick and easy – just follow these simple steps:

  • Fill out a short online assessment about your health and lifestyle
  • Place an order for your preferred treatment option
  • Your assessment will be checked to see if your order is right for you
  • Your order will be then posted to your preferred address or you can collect it from a local post office instead

How the test works

The test used to measure testosterone levels is a blood test. It is a convenient way to test your testosterone levels without having to see a doctor:

  • Your kit will contain 3 lances and a collection tube
  • You will provide a sample of blood from your finger
  • The sample will be used to test your testosterone levels

Your results will be provided to you via your account. They should be ready within 2-3 days of the laboratory receiving your sample.

Levels of testosterone can vary a lot during the day and with meals. It is important that your blood sample is taken early in the morning (between 7am and 11am) and that you are fasting (this means that you should not eat or drink anything, except water, from 11pm the night before).

It is also important that you don’t take the sample if you are feeling unwell as this can also lower your testosterone level.

Side effects of testosterone replacement therapy

The side effects of testosterone replacement therapy can include:

  • local skin irritation if testosterone gel is used
  • too much water in your body (fluid retention)
  • acne
  • greasy (oily) skin
  • growing breast tissue (which in men is called gynecomastia)
  • peeing more
  • higher risk of prostate abnormalities
  • higher number of red blood cells
  • higher risk of blood clots
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Dr Laura Joigneau Prieto joined Zava in April 2018 as a clinical doctor. She studied medicine at the Universidad Autónoma in Madrid, Spain, and at the Pierre and Marie Curie Faculty in Paris, France. She did a Master’s Degree in clinical medicine in 2009 at the Rey Juan Carlos University in Madrid.

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Last reviewed: 07 Jan 2019



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