Testosterone Blood Test
Check your testosterone from home with this quick, no-fuss finger-prick test. It's the first step to see if your testosterone is low and if TRT might be right for you.
- Results in 2-5 days
- UKAS-certified labs
- Free, discreet delivery
Already got a low testosterone result? Upload it here and we'll arrange your next test.
What's tested?
Total testosterone
Total testosterone’s crucial for men's health. It supports your mood, keeps your muscles and bones strong, and boosts your sex drive. Testosterone naturally drops after your 20s, but if it’s too low at any age, you’ll feel it – low sex drive, tired all the time, struggling with weight, or just not feeling yourself.
How to take your test
Take your sample between 7am and 11am, ideally as early as possible.
Avoid biotin supplements for two days before this test — discuss this with your doctor if it's prescribed.
What's in the kit?
- Collection tube
- Safety bag
- 3 lancets
- Large moist wipe
- Small alcohol wipe
- Activation leaflet and sample label
- 2 plasters
- Return postage label
- Plastic return envelope
18+ only. T&Cs apply.
Testosterone Blood Test
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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It’s time we got low testosterone out in the open
More men have low testosterone than ever before – check yours now.
Classic symptoms of low testosterone
Low energy
Low sex drive
Mood changes
Low muscle mass
Poor sleep quality
Lack of motivation
Erectile dysfunction
More body fat
Already on TRT with another clinic?
Switching to us is simple. Book a transfer consultation for only £79.
We've partnered with Medichecks – the experts in blood testing
How to take the test
1. Take your test
Your finger-prick blood test kit has everything you need. Just follow the simple steps and collect your sample in the morning, when testosterone levels are highest.
2. Post your sample
Send your sample the same day you take it using the freepost envelope. Make a note of the Royal Mail tracking number to track your kit.
3. Get your results
Your blood test results will be uploaded to your my.medichecks.com account, along with recommended next steps.
Feedback from men who've done it
I've been a patient for the last 7-8 months and the service is excellent. Very responsive to any questions, very patient whilst try to optimise my levels and superb value for money. Very happy.
I have to say the 5* reviews have been well deserved. The clinic are very responsive to emails (including weekends), they are very professional, polite and give all the information you could want. I'm with Dr Greenwood and we have met via MS Teams. He's a great doc, so helpful, knowledgeable and attentive.
What happens next?
1. Confirm your result
We'll arrange a second blood test with you to confirm your low result.
2. Speak to a TRT specialist
If your results are low, we'll invite you to book a video consultation with a TRT specialist.
3. Start treatment
If you're eligible, become a Leger member and start treatment.
Got questions? We've got answers
Please read our FAQs page to find out more.
1. Why should I test my testosterone levels?
Around one in four men over 30 has low testosterone — and many don’t even know it. Low testosterone can affect your energy, mood, and sex life, but a simple blood test is the only way to know for sure. Taking that step could lead to the right treatment and a big improvement in how you feel.
2. When is the best time to take a testosterone blood test?
It's best to take your testosterone level nice and early if you can — and definitely no later than 11am. This will ensure you get an accurate baseline level which will help us work out if TRT is right for you.
3. Do I need to fast before the test?
You don't need to fast for a testosterone test, but avoiding heavy meals and alcohol the night before can help ensure accurate results.
4. What level of testosterone is required for a diagnosis?
To diagnose low testosterone, doctors require two blood tests taken at least four weeks apart, both showing low total or free testosterone.
TRT is usually considered for levels below 12 nmol/L (BSSM guidance). In some cases, treatment may be considered up to 15 nmol/L if symptoms strongly suggest low testosterone (ISSM guidance).
However, testosterone levels alone don’t guarantee suitability for TRT — your doctor will carry out a full eligibility assessment with you.
5. Can low testosterone be treated?
Absolutely, that's what we’re here for. Alongside lifestyle changes, low testosterone can be treated with testosterone replacement therapy (TRT).
TRT is a form of hormone replacement to get your testosterone level back to normal. With the right treatment plan, most men see a big improvement in their symptoms and quality of life.
6. Can I take the test if I’m already on TRT?
This test is designed for men who want to check if their testosterone levels are low and assess their suitability for TRT.
Already on TRT and looking to switch to us? Start here.