Average Testosterone Production With Age Royalty-Free Stock Image

Testosterone levels are measured through blood tests. Most doctors agree that a “normal” reading falls anywhere between 300 to 1,000 nanograms per deciliter ng/dL. About 40% of men over age 45 will have levels that come in below that range.Male 1-10 yrs: 0.00-0.20 ng/mL; Male 10-14 yrs: 0.10-5.00 ng/mL; Male 14-18 yrs: 1.00-9.50 ng/mL; Adult Male: 2.50 - 9.50 ng/mL; Female 1-10 yrs: 0.00-0.20 ng/mL; Female 10-14 yrs: 0.10-0.50 ng/mL; Adult Female: 0.10 to 0.90 ng/mL.