Human growth hormone is a protein-based hormone released by the anterior pituitary gland located in the middle of the brain. This primary function is regulator of growth during puberty, but its role in the body goes further. HGH is also responsible for increasing lean body mass, reducing stored body fat, by freeing up fat so that it can be used as a source of energy.
HGH is cured in rhythm all day and night, but it is kept secret while we sleep. In fact, up to 75% of HGH is produced during our deepest sleep phase. It is also produced in response to intense training, especially resistance training. The pulmonary effect of HGH is controlled by two opposing hormones produced in the hypothalamus, a gland located directly above the pituitary. One of these hormones (HGRH - a growth hormone release hormone) is responsible for increasing the amount of HGH in the bloodstream; The second hormone (somatostatin) is responsible for reducing or stopping the production of HGH.
HGH is only suspended for a few minutes after it is pumped into our bloodstream. Although his presence was brief, it was powerful. Within minutes, the growth hormone has a mission - it must go to two locations. One is fat cells, which bind to specific growth hormone receptors, which stimulate the release of a set of specialized hormones called insulin-like growth factor (IGF), or sometimes called somatomedins. This growth factor resembles almost the structure in insulin, hence their name. A variety of IGFs are needed for the growth of our cells, bones, muscles, organs and immune systems. Although HGH stimulates the release of these growth factors, they also independently contract.
After the early twenties, HGH decreased by about 14% per decade; around the age of 60 we have seen an 80% decrease in the level of IGF hormone closely followed, with a decline of almost 50% shortly after middle age (40).
HGH Human Growth Hormone - Defined
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