Diagnose and treat low testosterone

Easy at-home testing
No doctor appointments, no waiting rooms. A simple finger prick blood test is all it takes to check your testosterone levels.
Results online
Get a clear picture of your testosterone levels with online results, available just days after taking your test.
Expert consultation
A specialist TRT doctor will walk you through your results and treatment options (if applicable) so you can take action.
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.
Albumin
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

About low testosterone

The physical and mental symptoms of low testosterone can really take their toll, but it doesn’t have to be this way.
Yes
Low sex drive
Yes
Low mood or motivation
Yes
Low sex drive

Testosterone replacement therapy can get you back on track

Our research-backed TRT service can do wonders for your health and wellbeing. We’ll help you get your testosterone levels back within a normal, healthy range with a bespoke treatment plan that may include medication, lifestyle advice or supplements.
90%
of patients saw an improvement in their symptoms after 3 months treatment

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.

The first step towards a stronger you

Take the guesswork out of your health. Get tested and move forward with a treatment plan that works for you.

1

Low testosterone diagnosis

Get your T. levels checked with our at-home blood test kit. We’ll arrange further enhanced testing if necessary.

2

Tailored Treatment

Your doctor will look at your unique data (your goals, symptoms, medical history, etc.) to find the right approach.

3

Ongoing clinical care

We do blood tests every 3-6 months with full doctor report & consultation, to ensure you hit your goals!

We’ve helped thousands of men with low testosterone

Trustpilot stars
TrustScore 4.6/5
675 reviews
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Once I started on TRT, it was a big change in my life. My energy and physical fitness has improved. I work out 6 days a week and feel good in myself. The team provided support and guidance throughout my journey at an affordable price.

More energy
Improved physical fitness
Before treatment
3 months after treatment
220%
increase in Free Testosterone

TRT helped me improve my energy, mood, and overall well-being. It has helped me sort out my diet, exercise, better routine and better sleep, resulting in a more positive attitude and better relationships at work and at home.

More energy
Improved mood
Before treatment
3 months after treatment
220%
increase in Free Testosterone

Low energy and brain fog were the two biggest symptoms I had. Then I found TRT. It’s helped me improve my energy, mental clarity, and overall well-being. I was able to achieve my goals and gain muscle, lose body fat, and improve sports performance.

More energy
More muscle mass
Before treatment
3 months after treatment
220%
increase in Free Testosterone

After starting TRT, I felt more like myself again. I was able to regain interest in things I used to enjoy, and was able to accomplish things that I would never have done before like building a new kitchen at home!

More energy
Improved physical fitness
Before treatment
3 months after treatment
417%
increase in Free Testosterone

How to start TRT treatment

Confirm your results

Take first blood test

Take an at-home blood test using the revolutionary Tasso device. See your testosterone levels on your online portal.

Take second blood test

A venous blood test which is needed to confirm the initial blood test result and assess your health to start treatment

Speak to a doctor

Discuss your results with a specialist doctor who will go over your treatment options.

Begin your personalised treatment

Start treatment

If you are approved for treatment, receive your prescription directly to your door.

Meet our TRT experts

We have the UK’s leading TRT experts on board, so you know you’re in good hands.

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Dr. Chris Airey

TRT Medical Expert
Read Bio

Dr. Louis Choo

TRT Medical Expert
Read Bio

Dr. Zak Taylor

TRT Medical Expert
Read Bio

Rana Mirzai

Clinician, TRT
Read Bio

Everything you need to know about TRT

Dr. Earim Chaudry, Medical Director
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Low testosterone is a common condition that men can be born with or develop due to age, stress, disease, physical trauma, an unhealthy lifestyle or environmental factors.

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Men with low testosterone often report low mood, irritability, fatigue, anxiety, reduced libido or difficulty achieving an erection. Other common symptoms include brain fog, lack of motivation, low confidence, difficulty losing weight and difficulty gaining muscle.

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Blood testing is the only way to know for sure if you have a testosterone deficiency. Our Initial Testosterone Blood Test (a simple finger-prick test) can be taken at home. If the results show that you have low testosterone and you’d like to start testosterone replacement therapy, UK regulations require you to take a second, more comprehensive blood test first to ensure that you can safely start treatment. This one is a venous test which has to be administered by a nurse or phlebotomist.

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Research has confirmed that testosterone counts in men are significantly lower than they were just a few decades ago. One in four men over the age of 30 may have abnormally low testosterone levels according to scientific studies.*

Around the age of 30 testosterone levels naturally begin to decline, but it’s usually a very gradual process. For most men, testosterone levels drop between one to two percent each year from the age of 35. Free testosterone levels also drop considerably as men age, making TD even more common. An increase in obesity, hormone-disrupting environmental chemicals, and anabolic steroid use is also making testosterone deficiency in younger men more prevalent than ever.

*The Journal of Clinical Endocrinology & Metabolism

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Yes, you willl have a consultation with one of our doctors to discuss your test results and they can provide a personalised treatment plan tailored to your needs. Our doctors specialise in TRT for men and are all registered with the General Medical Council.

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Our initial blood test will establish whether you have a testosterone deficiency. If the first test shows that you have low testosterone you’ll need to take our second, more comprehensive blood test if you’d like to start TRT - this is due to UK regulations. If both tests show that you have low T levels, you’ll discuss suitable treatment options with one of our doctors and during an in-depth consultation before starting treatment.

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Our blood test kits usually arrive within three working days. It may take longer over public holidays.

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We’ll get in touch to give you your results within two to three business days. One of our TRT specialists will then walk you through the results, provide advice, and answer all of your questions.

Thousands of patients have seen life-changing results

Trustpilot stars
TrustScore 4.6/5
2,000+ reviews
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trustpilot 5 stars
Life changed

2 months in, I'm very happy with results so far - life changed. I cannot recommend them highly enough

James
trustpilot 5 stars
TRT has genuinely changed my life

You don't know what you are missing until you get it back. TRT has genuinely changed my life.

Lionel
trustpilot 5 stars
Got my life back

I’m happier in general, less irritable, I’m more present especially around the kids and my wife, plenty of energy and have no problems getting a full working week in.

James
trustpilot 5 stars
Doctors are incredibly helpful

Consultants and doctors are incredibly helpful and knowledgeable, making the experience extremely easy to go through and treatment plans easy to follow. Couldn't recommend more.

Sean
trustpilot 5 stars
Amazing experience so far

Amazing experience so far. Treatment has changed my life and I’ve been supported all the way.

Terry
trustpilot 5 stars
Service has not dipped or faltered once

This is my second review, a year later, and the service has not dipped or faltered once. My wellbeing is at the centre of their actions.

Leigh
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