What is SHBG and how does it affect testosterone?
SHBG can make a total testosterone result look better or worse than it really is. Find out how it affects free testosterone, what high and low levels may mean, and how it’s interpreted when you're taking TRT.
Free testosterone vs total testosterone: which matters most?
Discover how total and free testosterone and SHBG affect symptoms, diagnosis, and testosterone blood test results.
Can low testosterone cause weight gain?
Low testosterone and weight gain are closely linked. Learn how obesity affects testosterone levels and when to seek advice.
Normal testosterone, but all the symptoms – what happens next?
Low testosterone symptoms despite a normal test result? Discover why this can happen and what to do next.
Testosterone, oestradiol, and libido: understanding the relationship
Low sex drive can be confusing, especially if your erections, confidence or hormone results are part of the picture. This guide explains how testosterone, oestradiol and prolactin affect libido in men, why balance matters, and what to consider if your sex drive is low or has not improved as expected on TRT.
Testosterone pills: do they work and are they safe?
Erectile dysfunction: what it means and what to do next
Fatigue and low testosterone: what's the link?
Feeling tired all the time can have many causes, but low testosterone may be a factor when fatigue comes with symptoms like low libido, reduced motivation, muscle loss, or mood changes.
How to increase testosterone naturally
Testosterone levels naturally decline with age. But did you know that making targeted healthy lifestyle changes can help to boost your testosterone production?