What Is a “Normal” Testosterone Level for UK Men by Age? (Full nmol/L Chart 2026)
Quick Answer The NHS reference range for total testosterone in adult UK men is 8-30 nmol/L (nanomoles per litre). However, this single range doesn’t reflect age — a 25-year-old at 9 nmol/L is significantly low for his age, while a 65-year-old at 12 nmol/L is roughly average for his. Typical testosterone levels by age (UK …