Introducing our premium blood tests: The Well Woman & The Well Man!

The Testosterone Blood Test

Curious about your testosterone levels? Get fast insights with this easy finger prick test.

Important: You should take this test in the morning, between 7 a.m. and 10 a.m.

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Finger prick test kit provided
Tests for total testosterone
Results in app within 48 hours
Doctor-reviewed report
Free delivery
18+ only

Is it for me?

Yes, if you’re concerned you may have a testosterone imbalance. Symptoms of imbalance include:

Depression & anxiety
Erectile dysfunction
Loss of muscle mass
Low sex drive
Vaginal dryness
Weight gain

Fantastic service

'The whole process was seamless and it’s great these tests are becoming available to us to take responsibility for our health at home.'


What's tested?

The entire amount of testosterone in your bloodstream – both bound and free.

Meet our experts

Get to know our in-house clinicians

Dr Leah Gorodi

Medical Lead and GP with a special interest in lifestyle medicine and health prevention

doctor taran toor

Dr Taran Toor

Chief Medical Officer, clinical entrepreneur and GP with an interest in digital health

UKAS accredited

Get your results within 48 hours from UKAS-accredited labs.

Your privacy, guaranteed

Just like your doctor, we take your privacy extremely seriously.

Your data is secure. We use the latest encryption technologies and we’re committed to our data protection responsibilities.

Your data is never sold on, rented out, or shared with third parties for financial advantage.

We work with Care Quality Commission-accredited labs and our blood test kits are all CE-marked.


Testosterone is a sex hormone made by the testes in men and by the ovaries in women. It plays an important role in sex drive, fertility, mood and muscle mass.

Take your test in the morning between 7 a.m. and 10 a.m. This is when your testosterone levels are at their highest.

Conditions that affect your testes can cause your testosterone levels to drop, along with direct injury, infection or radiation.

Genetic conditions such as Klinefelter syndrome (when boys are born with an extra X chromosome) can also lower your testosterone levels.

Tumours, auto-immune conditions and some medications can trigger low testosterone too.

Low testosterone levels can affect fertility by causing a drop in your sperm production. They can also indirectly affect your fertility by lowering your sex drive and causing erectile dysfunction.

You generally don't need to do anything to prepare for a testosterone test.

However, sometimes you may need to stop taking medications that could affect your testosterone levels. Some medications that can artificially increase your testosterone levels include hormone therapies and steroids.


Do not stop taking any prescribed medications without speaking to your doctor first.


Signs and symptoms of low testosterone levels include:

  • low sex drive
  • increased breast size 
  • less body hair 
  • difficulty concentrating 
  • low mood and depression 
  • loss of muscle mass

Testosterone is a major sex hormone which has a crucial role in males. Some of testosterone's functions include: 

  • maintaining muscular growth and strength 
  • regulating sex drive
  • producing sperm
  • regulating bone density

Testosterone also plays a vital role in females. Small amounts of it are made in the ovaries and adrenal glands, and – when combined with oestrogen – it helps with bone health, menstrual health and sex drive.

No, you don't need to fast before this test.

Talk to your doctor before taking this test. Being pregnant can have a noticeable impact on your results, so make sure to check in with your GP first.