Which is the better measure of your T levels — total or free?

Odds are your grandad had higher testosterone levels than you — but why?

We analysed over 20,000 testosterone results across the UK — which region has the lowest testosterone levels, and why is this relevant?

Testosterone levels drop naturally with age — but what’s a normal rate of decline?

Do you want to boost your testosterone? Discover the diet and lifestyle do's and don'ts that can help you achieve optimum testosterone levels.