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Testosterone
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Prepare for your Testosterone Blood Test by following these instructions. Please take your sample before 10am.If you use hormone gels, pessaries, patches, or tablets, we strongly recommend selecting a venous sample to minimise contamination sometimes seen with finger-prick tests. Otherwise, administer any hormone supplements using gloves, and make sure your fingers have not been in contact with hormone supplements for at least four weeks before taking the test. Hormones can be absorbed deep within the skin even after minimal contact and remain there for weeks despite vigorous handwashing. Do not take biotin supplements for two days before this test, discuss this with your doctor if it is prescribed.
Stress levels, how much alcohol you drink, and the amount of exercise you do can all affect the amount of testosterone your body makes. Low testosterone levels can sometimes cause unwanted symptoms, such as low sex drive and low mood. Both men and women may experience a natural decrease in their testosterone levels with age.
Measuring your testosterone level is easy with our simple testosterone finger-prick blood test kit, which you can do at home or in a clinic. With our UK Testosterone Blood Test, you’ll get expert advice and follow-up on steps to take if your testosterone level is outside the normal range.
Testosterone is a sex hormone produced by the testes in men. Women also produce testosterone in their ovaries and adrenal glands, but usually in smaller quantities. Testosterone governs many essential body functions, such as sex drive (libido), energy levels, healthy bones, muscle mass, strength, and mood. It also controls sperm production, so changes in this hormone can affect fertility.
The Testosterone Blood Test can be a valuable way to monitor your hormone levels whilst taking TRT. You may also be interested in our specially designed TRT Blood Test, which investigates other important bodily functions, such as your liver health.
If you take hormone gels or hormone pessaries, it is essential to wear gloves to apply them for at least four weeks before taking a finger-prick test. This is because testosterone can stay in your skin and affect the results of the blood test.
Some testosterone in your blood is bound to proteins which makes it unavailable for your body’s cells. Some testosterone is unbound meaning that it is available for your body cells to use. Unbound testosterone is also known as free testosterone. This test measures the total testosterone level which is a single measure of both bound and unbound testosterone. Measuring your total testosterone level can give an indication of whether you have normal levels of testosterone in your body.
We recommend taking this test in the morning as this is when your testosterone levels are at their highest.
The Testosterone Blood Test is suitable for both men and women. Testosterone is an essential hormone for both men and women, but it is important that blood levels are within the normal range for you.
Women can experience low levels of testosterone in menopause which can lead to symptoms such as poor bone health, vaginal dryness, and reduced sex drive. On the other hand, women can experience high testosterone levels with health conditions such as Polycystic Ovary Syndrome (PCOS). Women may be interested to take the Polycystic Ovary Syndrome (PCOS) Blood Test, which is specially designed to help women find out whether their hormone levels could be contributing to symptoms of PCOS.
Men naturally experience a steady decline (less than 2% a year) in testosterone levels from around 30 years of age. This rarely causes a sudden drop in testosterone levels but may contribute to low levels in older age.
Other factors which can cause low testosterone are:
Yes, it's normal for testosterone levels to change throughout the course of the day and even from week to week. Factors such as stress, exercise, and alcohol can affect your testosterone levels.
Therefore, if you're looking to find out your baseline levels of testosterone, we recommend taking the average of at least two morning measurements, ideally before 9 am, when levels are at their highest. If your results differ by more than 25%, you may need another test for confirmation.
If your results have dropped significantly, it's worth repeating the test. Some studies have shown that up to a 50% difference in testosterone levels may be due to normal variation.
Testosterone levels in men naturally decline with age. This age-related decline in testosterone is sometimes called male menopause, manopause, or andropause.
Unlike the decline in hormones in female menopause, this age-related fall in testosterone is usually very gradual, and most men do not experience symptoms. But for some, it can affect mood, motivation, and sex drive.
If you’re a man who’s experiencing symptoms of low testosterone, speak to your doctor — they may recommend testosterone replacement therapy (TRT).
You can take steps to increase your testosterone levels naturally with some healthy diet and lifestyle changes including:
