Are You Running on Empty? Why Millions of British Men Are Turning to Testosterone Testing

Feeling tired all the time? Lost your edge in the gym? Is your get-up-and-go… gone? You’re not alone. An estimated 8-12% of men in the UK aged 40-69 are living with testosterone deficiency, a condition that can quietly sabotage your health, energy, and quality of life [1]. In fact, it’s thought that as many as 30% of all British men may be affected [2].

Despite how common it is, a staggering 20% of UK men over 50 suffering from low testosterone go undiagnosed, with only a tiny 1% receiving the right support [3]. It’s a silent epidemic, but the good news is that taking the first step to understanding your levels has never been easier.

More Than Just Muscle: Why Testosterone Matters

Testosterone is the primary male hormone, but its role extends far beyond the bedroom or the weights room. It is a cornerstone of male health, influencing everything from your mood and energy levels to your bone density and even your cardiovascular health.

When levels are low, the symptoms can be subtle at first, but they can have a significant impact on your life:

• Low Libido & Erectile Dysfunction: A reported 31% of men with low testosterone experience a drop in sex drive, and 27% report reduced erectile function [1].
• Fatigue & Low Energy: That feeling of constantly running on fumes? It’s a classic sign.
• Reduced Muscle Mass & Strength: Finding it harder to make gains or even maintain your physique? Low testosterone could be the culprit [4].
• Increased Body Fat: The hormone plays a key role in metabolism, and low levels are linked to increased fat mass [5].
• Mood Swings & Irritability: Testosterone helps regulate mood, and a deficiency can leave you feeling down or on a short fuse [4].

Beyond these symptoms, low testosterone is an independent risk factor for serious health conditions like metabolic syndrome and type 2 diabetes [6]. With average testosterone levels in men declining by around 1% every year, it’s a health metric you can’t afford to ignore [7].

Take the First Step: Knowledge is Power

The journey to optimising your health starts with a single, simple step: knowing your numbers. You can’t address a problem you don’t know you have. A comprehensive blood test is the only definitive way to understand your testosterone levels and see if they fall within the optimal range.

For years, this process was inconvenient and often overlooked in routine check-ups. Today, you can take control from the comfort of your own home.

About the Author

Dr. Raphael Olaiya is a UK-based General Practitioner and a specialist in Testosterone Replacement Therapy. With years of experience helping men optimise their health, Dr. Olaiya is dedicated to providing safe, effective, and evidence-based care. (GMC No. 7492303)

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References

[1] Awareness and prevalence of the symptoms of testosterone deficiency – BMJ Open 2025

[2] Why are we missing the diagnosis of low testosterone in men? – Dr Jeff Foster

[3] The signs of testosterone deficiency that all men need to know – Telegraph 2025

[4] Low Testosterone in Men Over 70 – Goldman Laboratories

[5] Why do Gen Z and Millennial men have lower testosterone? – Medichecks

[6] Testosterone and the metabolic syndrome – PMC 2010

[7] UK Testosterone Statistics – Forth with Life