what is…human growth hormone (hgh)?

What is…Human Growth Hormone (HGH)?

Human Growth Hormone, also known as somatotropin, is a protein hormone that is manufactured by the pituitary gland. The vast majority of HGH is released into the bloodstream during deep or “slow wave” sleep which occurs during the third and fourth stages of the full five stage sleep cycle.  Deep sleep can only occur when the body …

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