Clayton's Health Facts: HGH.

Clayton South, SPN (ISSA), is a recognized expert in the bodybuilding / fitness industry with over 150 bodybuilding, fitness and nutrition publications to his credit.

What Is It?
And Where Does It Come From?

Growth Hormone (GH), or Human Growth Hormone (HGH), is the master hormone, because it is released by the master gland - the anterior pituitary gland.

What Is HGH?
HGH stands for Human Growth Hormone (also known as Somatotropin), an amino acid produced in the pituitary gland of the brain. HGH plays an important role in human development by affecting skeletal growth.

HGH levels are high during childhood, and peak at adolescence. During puberty, HGH levels determine height and bone size. After puberty, HGH levels start to decline, and by age 61 decrease to 20% of what they were at age 21. HGH is continually produced throughout the human lifecycle, and continues to regulate the body's metabolism.

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While GH is not necessary or critical to one's survival, it seems to play an important evolutionary role in human development. During puberty, GH levels dictate a person's height and bone size. After puberty, GH continues to regulate the body's metabolism.