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Jason Fox's go-to health check

From expeditions to everyday life, Jason doesn’t leave his health to chance. Getting a blood test is his simple starting point, an at‑home finger‑prick test to check the key markers that matter, fast.
£55 £27.50 first order discount
Order a blood test
James Smith Exclusive Discount. Code: SMITH
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If you already have a low testosterone result, the Enhanced Testosterone Blood Test will assess your suitability for TRT.

As seen in

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Why Jason starts with a Blood Test

At‑home kit, zero faff
Delivered to your door. Quick finger‑prick. Prepaid return.
Accredited UK lab analysis
Quality‑assured testing with clear, actionable reports.
Results explained, not just shown
Easy‑to‑read dashboard with ranges, trends and flags.
Expert guidance included
Clinician review and practical next steps, lifestyle and further testing options if needed.
Fast turnaround
Track your sample and get notified when your results land.
£55 £27.50 first order discount
Order a blood test
James Smith Exclusive Discount. Code: SMITH
Save 50%

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Money back guarantee
90 days money back guarantee
Continuity of care with the same doctor
Access to the UKs biggest TRT clinic
90% of patients satisfied with their treatment

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Jason Fox

How it works

Order

We ship your kit with clear instructions.

Collect

Quick finger‑prick sample at home.

Return

Prepaid post to our UK‑accredited lab.

Review

Get your results online with guidance.

Act

Use simple recommendations to tweak routine, book follow‑ups, or explore further testing.

Your questions, answered

Do I need to visit a clinic?
No, the Testosterone Blood Test is designed for home collection and prepaid return.
How long do results take?
Turnaround takes only a few days, track your kit and we’ll notify you when your results are ready.
What if I’m not great with blood?
The kit includes instructions to make the finger‑prick as simple as possible. Our support team is on hand if you need help.
Money back guarantee
90 days money back guarantee
Continuity of care with the same doctor
Access to the UKs biggest TRT clinic
90% of patients satisfied with their treatment

Start with your baseline

Small step, big peace of mind. Blood Test 1 puts the facts in your hands so you can plan your next move like Jason Fox.
Get your testosterone blood test
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TrustScore 4.6/5 • 675 reviews

The hormone that’s holding men back

Dr. Chris Airey, TRT Expert

1 in 4 men suffer from low testosterone¹

After the age of 40, testosterone levels start to decline by 1 to 2% on average each year.²

90% of men in the UK remain undiagnosed³

Too many men are suffering from the life-altering symptoms of this under-diagnosed condition.

Low-T symptoms can take the joy out of life

Low mood/anxiety
Low sex drive
Low muscle mass
Lack of focus
Low energy
Weight gain
Erectile dysfunction
Poor sleep quality
CITATIONS
Citations

¹ The Journal of Clinical Endocrinology & Metabolism, Volume 92, Issue 11, 1 November 2007, Pages 4241–4247
² Generational decline in testosterone levels observed
³ Testosterone deficiency in adults and corresponding treatment patterns across the globe.

Is Testosterone Replacement Therapy right for you?

What is TRT?
Low testosterone can drain your energy, mood, strength and vitality. TRT is a doctor-prescribed treatment that replenishes your hormone levels, helping you feel like yourself again.
How it works
Take our at-home blood test to find out if you have low testosterone. Our experts will then recommend the right TRT treatment plan for you, whether that’s injections, gels or something else.
Choose MANUAL
We understand what you’re going through. We've already helped over 7,000 men achieve a better quality of life, thanks to our to world-class care and treatments. Will you be next?
Money back guarantee
If you're not satisfied within 90 days of taking the test, we'll give you your money back. See full terms

The health issue men don’t talk about

1 in 4 men suffer from low testosterone¹
After the age of 40, testosterone levels start to decline by 1 to 2% on average each year.²
Knowing what your testosterone levels are is really important.”
Dr Jeff Foster, Director of Men’s Health
Before getting tested I thought it was just the way I was.”
Danny, 32 YEARS OLD
Could it be you?
The following symptoms could be a sign of low testosterone.
We recommend you get tested to find out for sure.
Depression
Low sex drive
Low muscle mass
Lack of focus
Low energy
Weight gain
Erectile dysfunction
Fatigue
Citations
¹ The Journal of Clinical Endocrinology & Metabolism, Volume 92, Issue 11, 1 November 2007, Pages 4241–4247
² Generational decline in testosterone levels observed

A 360° view of your testosterone

Analysing these biomarkers collectively allows our doctors to accurately measure your testosterone levels and their availability for use in the body.

Total testosterone
This is the total amount of testosterone found in the blood. Some of it is attached to proteins, such as Sex-Hormone Binding Globulin.
Free testosterone
This is the testosterone which is not attached to any proteins so it’s free to be used by the body’s cells. The more you have of it, the better.
SHBG
This protein regulates hormone levels by binding to sex hormones, including testosterone. When your SHBG levels are high, your body has less free testosterone available.
Albumine
Another protein produced in the liver which binds to testosterone, inhibiting its ability to be used by the body’s cells.
Better mood
Muscle mass
Energy & Motivation
Sex drive
“I took a test and found out I had low testosterone two years ago. The treatment and life habits I put in place literally transformed my life in so many ways.”
ALI, 34 Years Old

How testing works

Take the blood test
Take our quick at-home finger-prick test before 11am, when T-levels are at their highest, to determine if you have low testosterone.
Post your sample
Simply place your sample in the secure packaging provided and send it to our UKAS-certified lab where your blood will be analysed.
Review your results
Access invaluable health data online in just a few days. Our experts will review your results and give you clear actionable advice.
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Start with a testosterone blood test
£55 £27.50
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At-Home Testosterone Blood Test

Convenient at-home testing

Our at-home blood tests make getting an accurate diagnosis easy.

Discreet delivery to your home
We’ll send your at-home blood testing kit to your doorstep free of charge in discreet packaging.
Easy to use
We’ll provide easy-to-follow instructions and a step-by-step video tutorial that shows you how to take a blood sample. We want to make sure that you feel confident and comfortable using your kit safely in the privacy of your home.
Review your results online
You’ll be able to access invaluable data about your testosterone levels online within 2 to 5 days. Our team of TRT specialists will review your results and give you clear, actionable advice on the next steps to take.
UKAS-certified laboratories

UKAS-certified laboratories

Accuracy is key when it comes to diagnosing low testosterone. We partner exclusively with UKAS-certified laboratories to ensure clinically valid, accurate results.

Our testing kits
Our at-home blood testing kits carry the CE mark - this guarantees that they comply with health and safety requirements across the European Economic Area (EEA).
Our labs
We work directly with independent UKAS-certified laboratories which are compliant with ISO laboratory standards. These labs are recognised for maintaining rigorous international standards in their monitoring techniques, ensuring that the test results they produce are accurate and reliable.
Results and accuracy
We’ll provide easy-to-follow instructions so that you know how to take a blood sample correctly. This will ensure that the test values are accurate and match standard venous blood analysis.
Track your results online

Track your results online

You’ll be able to access your easy-to-understand results from your secure online account within 2 to 5 days.

Insights that matter
You’ll receive clear, meaningful insights into your testosterone levels and the biomarkers that influence them.
Secure online dashboard
Use our online dashboard to view your results from the comfort of your home.
Get personalised advice
One of our TRT specialists will then walk you through the results, answer all of your questions and guide you through the next steps.