Benefits of testosterone, HGH on aging unclear

Low testosterone levels do become more common in men as they age: Levels start falling at around age 30 and decrease by 1% to 2% per year, with ranges generally falling between 300 and 1,000 nanograms of testosterone per deciliter of blood depending on age. The decline may increase past 65.

According to the National Institute on Aging, men who have extreme testosterone deficiencies related to damage of the testes or pituitary glands from trauma, infections or tumors may benefit from testosterone supplementation. But the institute says more research is needed to see if replacement therapy will help those without such extreme issues and to fully under. According to the National Institute on Aging, men who have extreme testosterone deficiencies related to damage of the testes or pituitary glands from trauma, infections or tumors may benefit from testosterone supplementation. But the institute says more research is needed to see if replacement therapy will help those without such extreme issues and to fully understand the potential long-term side effects. stand the potential long-term side effects.