Testosterone for Men
Test your testosterone levels and get repeat treatment with free and fast delivery.
Prices from £49.99
To get a treatment, fill in a brief medical questionnaire. A doctor will review your request and prescribe treatment if it’s right for you. For test kits, you can just place an order. Once you’ve sent your sample to our UK accredited partner laboratory, results and advice from our doctors will be ready in 2 to 3 days.
Testosterone is a steroid hormone (an androgen) which men make in their testicles and adrenal glands. Testosterone has a variety of functions and is produced in high amounts in both men and women during puberty.
You can test your total testosterone levels using our home test kit. If your level is low, a repeat test is recommended after 4 weeks and you would need to see your GP or specialist to discuss starting treatment.
If you have low testosterone and are already prescribed treatment and have regular check ups, you can get repeat treatment online.
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About testosterone level testing and treatment
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 had 2 blood tests 4 weeks apart by your GP or specialist which have confirmed low testosterone
- You have testosterone deficiency, are currently being treated for it by your specialist, are up to date with checkups and have been on testosterone replacement treatment for a year
- You don’t have current or past health conditions that make testosterone treatment unsafe
How the test works
The test used to measure testosterone levels is a blood test. It is a convenient way to test your total 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). If you have diabetes or have been told not to fast please chat to your GP or online doctor before taking the test.
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)
- greasy (oily) skin
- growing breast tissue (which in men is called gynecomastia)
- passing more urine
- higher risk of prostate abnormalities
- higher number of red blood cells
- higher risk of blood clots
Testosterone is a steroid hormone, also called an androgen, which is mainly produced by the testicles (testes) in men.
In men, testosterone controls:
- the growth of body hair
- penis growth during puberty
- sex drive and function
- deepening of the voice during puberty
- muscle development
Everybody has testosterone in their body. Women make testosterone in their ovaries, but their levels are around 1/10 of the male level.
The adrenal glands are also responsible for making testosterone in both men and women. This page will focus on testosterone in men.
The level of testosterone in the body is carefully controlled. There are two glands which help to control the amount of testosterone produced in the testicles – the hypothalamus and the pituitary gland.
A good total testosterone level in non-obese men aged 19-39 years is between 12 and 31 nmol/L (nanomoles per litre).
The level of testosterone in men gets lower with age, at a rate of 1% to 2% each year.
Testosterone levels in men are usually at their highest in the morning, and at their lowest in the late afternoon or evening.
If a male’s testosterone level drops and is low, then symptoms occur. The most common consequences of low testosterone are:
- sexual dysfunction (erectile dysfunction, loss of morning erections, low sex drive)
- reduced muscle mass and strength
- impaired cognitive function
- low mood
- reduced energy
Other risks associated with low testosterone levels even with no symptoms are:
- cardiovascular disease
If a male’s testosterone level is high, symptoms include:
- fluid retention
- reduced testicle size
- loss of body hair
- decreased sperm count
- swelling of the prostate gland
- enlargement of the breasts
Other risks associated with high testosterone levels even without symptoms are:
- testicular tumours
- too many red blood cells
- higher than normal risk of blood clots
We offer a home blood test to determine total testosterone levels.
The process is quick and easy – just follow these simple steps:
- Place an order and get your kit delivered to your door, or collect from a local Post Office (delivery is free)
- Collect a few drops of blood using a finger-prick test
- Send your samples to our UK based, accredited partner laboratory (postage is free)
- Once your results are available (in 2 to 3 days), our doctors will review your results
- One of our doctors will contact you, via a secure and confidential message in your patient account, to let you know your results and give you advice and support on what to do next
In some cases, the doctor may need to ask for more information. They may contact you by phone, so make sure your telephone number is up to date in your online account.
You can also ask for a blood test from your doctor. In this case, it will be a full blood test, where a sample will be taken from a vein in your arm.
If your test shows that you have low testosterone, you will be recommended to repeat the test to confirm it before taking any other decision. If it is confirmed, you will need to have a complete check up with your doctor to assess the cause and to discuss starting TRT.
There are ways to boost your testosterone levels.
- High intensity workouts seem to be the most beneficial
- Exercise can help maintain testosterone levels, and increase them in some cases if they are low
- Stress training in the evening may have a big effect
- Drinking less alcohol or avoiding other substances like cannabis can help reduce the risk of low testosterone levels
- Eating a balanced diet can promote healthy testosterone levels
- Maintain a health weight as being overweight is linked to low testosterone levels
- You may be prescribed testosterone supplements by a specialist if your levels are low
- A doctor will assess whether supplements are the right treatment for you
- You can also get treatment for the consequences of low testosterone, e.g. medications like Viagra for erectile dysfunction
There are some other supplements which may help to boost your testosterone levels, including:
- vitamin D
If you have low testosterone levels you may be referred to a specialist called an endocrinologist. You may be offered testosterone replacement therapy (TRT) which can be in the form of:
If you’re currently taking TRT, you’re happy with it, and you meet our criteria for treatment, then you can reorder online with us.
We offer the following treatments:
- Tostran gel 2%
- Testogel sachets
Advantages of testosterone gel treatment:
- The main advantage of testosterone gels is that they provide a stable testosterone level for 24 hours with one application per day
- Testosterone gel is safe for most men, as long as it’s been prescribed by a doctor
- These gels can be a good option for improving quality of life for men who have a low testosterone level
How to apply testosterone gels:
- It is recommended to apply the gel about the same time each day (preferably in the morning), to clean, dry skin
- Depending on your treatment, the location where to apply the gel can vary (your doctor should give you instructions on this)
- Spread the gel gently until it is completely absorbed into your skin, then cover up where you applied the gel. Use loose clothing to avoid the gel spreading to other people
Thing to be aware of when using testosterone gels:
- Testosterone gel may give positive results in drug tests for work or sports
- Androgens (like TRT) should not be used for increasing your muscle mass, unless this is recommended by a doctor. They should also not be used to increase fitness or levels of physical activity
- Testosterone treatments can lower the amount of sperm that your body produces. So, it is important that if you plan to have children in the future you discuss this with your doctor before using testosterone gel
If you’re receiving testosterone treatment and you want to test your levels – ask your doctor what the best time of the day is to do it, as it can vary depending on the testosterone treatment you are taking.
Dr Simran Deo Doctor
Dr Simran Deo qualified from St George’s, University of London in medicine in 2006 with a distinction in her written finals. She went on to specialise in general practice, obtaining the MRCGP certification in 2012. In 2014 she received a merit for the Diploma in Dermatology from Cardiff University.Meet our doctors
Last reviewed: 23 Apr 2020
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