The average testosterone level by age can vary, but generally decreases with age.
About The Author
Douglas Zimmerman is board certified as a Corrective Exercise Specialist. His certifications were attained through the National Academy of Sports Medicine and he is certified in Sport’s Hypnosis through The National Exercise & Sports Trainer Association. Additionally Douglas is certified through Apex, the leader in nutritional academia. He currently is a Big Brother in the Big Brother, Big Sister foundation. Douglas is also active in charitable events including; raising money for the homeless, UPARC fundraisers, and green events. Read More »