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Matt, 43
“I felt a little bit more irritable with the kids and tired at work. My mind was foggy and not as sharp as it used to be. I just felt like everything was speeding up a little bit, and I was slowing down a little bit.”
David, 29
“I mainly felt tired and not as sharp as I was. I wasn’t able to think of things that I previously could.”
Paul, 54
“I was experiencing certain symptoms for around 12 months such as loss of concentration, tiredness all the time, and low libido.”The signs of low testosterone
If these symptoms are holding you back. Take a blood test to check your testosterone levels.
Get your testosterone levels →Erectile dysfunction
Low-T reduces nitric oxide synthesis, which is essential for the vessels carrying blood to the penis.
Decreased libido
Low-T reduces the hormonal stimulation necessary for sexual desire and arousal.
Fatigue
Low-T reduces production of red blood cells, which impairs oxygen delivery to tissues and decreases overall energy levels.
Poor sleep
Low-T reduces the production of melatonin, a hormone essential for promoting restful sleep.
Mood changes
Low-T alters the levels of serotonin and dopamine, key neurotransmitters involved in regulating emotions.
Difficulty concentrating
Low-T impacts neural circuits involved in attention and executive function, thus diminishing cognitive performance.
Loss of muscle mass
Low-T reduces protein synthesis and increases protein breakdown in muscle tissue.
Increased body fat
Low-T slows metabolism, increasing fat storage in the body.
Reduced facial and body hair growth
Low-T shortens the time hair spends growing, resulting in thinner hair.
Low testosterone: the hidden health crisis
Low testosterone can affect your wellbeing, and health issues can worsen it

Testosterone Blood Test
$ 69.99 $100
A simple and convenient Testosterone Blood Test to check your total testosterone levels, an important sex hormone that influences libido, muscle mass, fertility, and mood.
What's your testosterone level?
What we test?
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Free testosterone is the go-getter of your hormone world, available and ready to boost mood, muscle, and libido.
A protein that binds to sex hormones. Abnormal levels can affect hormone balance and reproductive health.
A calculation used to estimate the amount of testosterone that is biologically active. Helpful in evaluating conditions like PCOS.
How it works? Its easy.
Testosterone levels & symptoms
Low-T, testosterone deficiency, male ageing syndrome, hypogonadism, andropause, male menopause (or "manopause"), and midlife crisis are all terms you may have come across before.
Whatever you call it, low testosterone is the hidden men's health issue that’s being overlooked by the medical community. With millions of men affected by this silent problem, we're here to drive change, be the voice of male sufferers, and provide comprehensive diagnosis and treatment support for anyone suffering the symptoms.

Borderline low testosterone deficiency (12-15 nmol/L)
- Reduced sex drive and an increased occurrence of erectile dysfunction.
- A decrease in muscle mass and strength, and a generally lower threshold of tolerance to exercise.
Mild testosterone deficiency (10-12 nmol/L)
- Further reduction in libido and more frequent erectile dysfunction.
- Increased body fat and more prone to obesity.
Moderate testosterone deficiency (8-10 nmol/L)
- Mood fluctuations with an increased risk of depression and anxiety.
- Difficulties sleeping, including more frequent awakenings and finding it more difficult to get to and stay asleep.
- Brain fog and a lack of ability to concentrate or focus.
- Further weight increases and heightened risk of developing type 2 diabetes.
- Lower bone mineral density, which increases the risk of osteoporosis and fractures.
Severe testosterone deficiency (<8 nmol/L)
- Significant decrease in libido, frequent erectile dysfunction, and risk of infertility.
- Hot flushes.
- Increased risk of lower urinary tract symptoms, particularly in those with type 2 diabetes.
- Increased risk of arterial hypertension (higher blood pressure), especially in those who smoke and/or are obese.
- More pronounced mood swings with severe depression and emotional instability.
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Who’s at risk?
The silent epidemic
Low-T, testosterone deficiency, male ageing syndrome, hypogonadism, andropause, male menopause (or "manopause"), and midlife crisis are all terms you may have come across before.
Whatever you call it, low testosterone is the hidden men's health issue that’s being overlooked by the medical community. With millions of men affected by this silent problem, we're here to drive change, be the voice of male sufferers, and provide comprehensive diagnosis and treatment support for anyone suffering the symptoms.
Low testosterone explained
Low-T, testosterone deficiency, male ageing syndrome, hypogonadism, andropause, male menopause (or "manopause"), and midlife crisis are all terms you may have come across before.
Low testosterone is a medical condition where the body doesn't produce enough testosterone to maintain various essential bodily functions. When testosterone levels are low, it can lead to symptoms such as fatigue, decreased libido, erectile dysfunction, mood changes, reduced muscle mass, and increased body fat.
Your questions answered
Frequently asked questions.
Testosterone deficiency, also known as hypogonadism, is a medical condition where the body produces insufficient testosterone, leading to symptoms like fatigue, low libido, and decreased muscle mass.
Symptoms include regular fatigue, depression, low mood, reduced focus, decreased sex drive, erectile dysfunction, reduced muscle mass, and increased fat accumulation.
An untreated testosterone deficiency could put you at a greater risk of:
- Cardiovascular disease
- Stroke
- Obesity
- Fractures
- Anaemia
- Cognitive impairment
- Infertility
While low testosterone can contribute to these health issues, it’s important to remember that the risk differs from person-to-person. Early diagnosis and suitable treatment will reduce your chances of any complications.
A blood test is the most effective way of measuring testosterone levels. Venous blood tests (that are drawn from the vein by a nurse) are considered the most reliable.
Before starting any treatment for low testosterone, you’ll most likely be asked to take a second blood test. This is because testosterone naturally fluctuates so a second blood test can confirm a diagnosis as well as establishing a baseline.
Causes include ageing, obesity, irregular sleeping patterns, type 2 diabetes, and cardiovascular disease, all of which can disrupt hormone production.
Treatment options range from lifestyle changes and weight management to testosterone replacement therapy (TRT) in the form of injections, gels, patches, or tablets, depending on individual needs and health profiles.
70% of medical decisions depend on lab tests.
So why are doctors testing so few? Your body holds more information than your medical record.