Understanding testosterone starts here. This category covers the fundamentals of testosterone and male hormone health, including what testosterone does, how normal testosterone levels vary by age, and the difference between total and free testosterone. Whether you’re new to the topic or want a refresher before booking a test, these guides break down the science in plain English, no medical jargon, just clear explanations to help you understand your body and your results.
Basics & Education
The Short Answer Low testosterone, sometimes called “Low T” or hypogonadism, means your body isn’t producing enough testosterone ...
The Short Answer SHBG (sex hormone-binding globulin) is a protein made mainly by the liver that binds to ...
The Short Answer Total testosterone measures all the testosterone in your blood, both bound to proteins and freely ...
The Short Answer Most UK laboratories set the normal reference range for total testosterone levels somewhere between roughly ...
The Short Answer Testosterone is the primary male sex hormone, produced mainly in the testes under signals sent ...
