Testosterone Blood Test

Use our Testosterone Blood Test to check your testosterone levels which influence sex-drive, energy, mood, muscle mass and fertility.

  • At-home test
  • Doctor reviewed
Sample
Blood
Collection
At-home finger-prick or Tasso EasyDraw or venous draw (clinic, nurse visit or own kit)
Results in
1–2 days
Biomarkers
1
Doctor reviewed
Yes
Tests for
  • Total Testosterone

Test specifications

Provider
Selph
Sample type
blood
Collection method
at-home finger-prick or Tasso EasyDraw or venous draw (clinic, nurse visit or own kit)
Turnaround time
1–2 days
Biomarkers tested
1
At-home test
Yes
Doctor reviewed
Yes
Gender focus
Both

What's tested

1 biomarker as listed by Selph.

Testosterone

  • Total Testosterone

About this test

Testosterone is a crucial hormone in males and females, affecting sex-drive, energy, mood, fertility, muscle mass and metabolic health.

Our Testosterone Blood Test is a simple blood test you can take at home and send to our lab for analysis to check your testosterone levels.

What you need to know about our Testosterone Blood Test

Testosterone is a crucial hormone for both men and women. Although women produce less testosterone than men, they still make three to four times as much testosterone as oestrogen.

We measure your total testosterone level to check if your testosterone is too low or too high.

Should I upgrade to include free testosterone?

If you want a more accurate measure of your testosterone status, you can upgrade to include a calculated "free testosterone" level.

This accounts for the fact that most testosterone is bound to proteins in the blood which inactivates it. The free testosterone level is a better measure of the testosterone that is actually available for your body.

In women, we use a slightly different calculation called the free androgen index (FAI) which is also included in the upgrade.

What is testosterone?

Testosterone is the main androgenic sex hormone in both men and women. In men, testosterone is produced in the testes in response to stimulation by luteinising hormone from the pituitary gland. In women, most testosterone is produced from the adrenal glands though some also comes from the ovaries.

In both men and women, testosterone plays a role in sex-drive, energy, fertility, muscle mass and metabolic health.

What causes low testosterone levels?

Testosterone levels fall naturally in both men and women from about 30 years of age. However, about 1-in-4 men over the age of 40 have low testosterone levels for their age. This can be caused by:

  • Obesity
  • Stress
  • Poor sleep
  • Too little exercise (particularly resistance training)
  • Smoking and alcohol
  • Diabetes
  • Steroid use
  • Injury to the testes
  • Pituitary problems, including pituitary tumours

What are the symptoms of low testosterone?

Symptoms of low testosterone include:

  • Erectile dysfunction (in men)
  • Low sex-drive
  • Lack of energy
  • Low mood
  • Infertility
  • Difficulty building muscle
  • Poor metabolic health - high cholesterol and poor sugar-handling

What are the symptoms of high testosterone?

High testosterone levels aren't usually a problem in men but they can cause issues in women. The main causes of elevated testosterone in women are polycystic ovarian syndrome (PCOS) and testosterone replacement therapy. Symptoms of high testosterone levels in women include:

  • Acne
  • Excessive hair growth - e.g. facial hair
  • Deepening of the voice
  • Infertility

What do my testosterone test levels mean?

Testosterone levels are different in men and women.

For men:

Total Testosterone level (nmol/L) Meaning 12 (or >14 if pre-diabetic / diabetic) Normal

For women:

Total Testosterone level (nmol/L) Meaning 1.8 High

Blood collection options

  • Finger-prick blood collection (included)
  • EasyDraw blood collection (+£25.00)
  • Visit a clinic to have your blood taken (+£35.00)
  • Book a venous draw at home or work with a nurse (+£70.00)
  • Arrange your own venous blood draw (included)

Description provided by Selph.

Compare with similar tests

This test belongs to our Testosterone test comparison group. See how it stacks up against equivalent tests from other providers.

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Testosterone Blood Test

Struggling with low energy, reduced muscle mass, or low libido? This test measures total testosterone, the key male sex hormone that also plays a role in muscle strength, mood, and overall well-being in both men and women.

  • At-home test
8.6 / 10 Best value UK testosterone baseline