Pre-Treatment Healthchecks January 16, 2026

Is Your Heart Holding You Back? The Hidden Link Between Testosterone and Cardiovascular Health

Feeling tired, irritable, or like you’ve lost your edge? It’s easy to dismiss these as just ‘getting older’, but they could be signs of low testosterone. In the UK, it’s estimated that 8-12% of men aged 40-69 have testosterone deficiency (TD). That’s a significant number of men who aren’t feeling their best.

But it’s not just about energy levels or mood. Emerging research shows a crucial link between low testosterone and your cardiovascular health. If you’re a man over 50, you have a 1.54 to 2.0 times higher chance of having TD. And with average testosterone levels declining by about 1% per year, it’s a concern for men of all ages.

The Heart of the Matter: Testosterone and Your Health

Low testosterone is more than just a single issue; it’s a key factor that can influence your overall health. It’s an independent risk factor for developing metabolic syndrome and type 2 diabetes. In fact, between 33% and 57% of men with type 2 diabetes also have low testosterone levels. This is often linked to increased insulin resistance, higher levels of ‘bad’ cholesterol, and increased fat mass.

For years, there have been concerns about the impact of Testosterone Replacement Therapy (TRT) on heart health. However, a landmark 2023 study, the TRAVERSE trial, has provided much-needed clarity. This trial, the largest of its kind, involved 5,246 men and found that testosterone-replacement therapy did not increase the risk of major adverse cardiovascular events. This is reassuring news for men considering TRT.

Take the First Step: Knowledge is Power

The only way to know your testosterone level is to get tested. Our simple, at-home testosterone blood test kit is the first step towards taking control of your health. It’s discreet, easy to use, and gives you the information you need to make informed decisions about your well-being.

Once you know your levels, you can explore your options. For men with clinically low testosterone, TRT has been shown to offer a range of benefits, including improved sexual function, increased muscle mass and bone density, and better energy and mood.


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)


Ready to take control of your health? Find out your testosterone levels with our simple and discreet at-home blood test kit. Order yours today and start your journey to a new you.

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References

Awareness and prevalence of the symptoms of testosterone deficiency – BMJ Open 2025
Why do Gen Z and Millennial men have lower testosterone? – Medichecks
Low Testosterone and the Metabolic Syndrome – PMC 2010
The vicious circle of testosterone deficiency and obesity in men – Frontiers Endocrinology 2023
Testosterone and the Heart – ScienceDirect 2016
Cardiovascular Safety of Testosterone-Replacement Therapy – NEJM 2023 – TRAVERSE Trial
Effects of Testosterone Treatment in Older Men – TTrials / JCI 2021
Benefits and Risks of Testosterone Treatment in Older Men – PMC 2009
Effects of Testosterone Replacement Therapy on Bone Mineral Density in Hypogonadal Men – JCEM 1997

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