The Things Your Body Produces That Decline with Age

Testosterone Estrogen and Progesterone HGH Digestive enzymes Melatonin GABA DHEA There is a lot of difference of opinion on hormone replacement therapy in the medical community. There are no long term studies on the effects of administering testosterone, estrogen, progesterone, and HGH on humans. The anti-aging community touts the many benefits, like increased muscle mass, [...]