What is Human Growth Hormone (HGH)?

The discovery of this new hormone has resulted in many private sellers attempting to make profit from the sale of this product in various forms. HGH is administered via injection by doctors who give growth hormone to their patients. However, many sellers are now offering the hormone in pill, spray, and homeopathic forms.

Human growth hormone is essentially a natural hormone produced in your body. Huddled up in the center of our heads there lies a tiny but very powerful gland called the pituitary gland. HGH is one of 7 hormones secreted by the pituitary gland. Growth hormone, like thyroid hormone, has an effect on almost all our tissues and organs in out body. As the name entails, it boosts the growth of various organs and tissues, especially muscle and bone. That is why many high level athletes use HGH. Basically, human growth hormone increases protein synthesis in the body and proteins are the major building block out of which our body is made. Normal secretion of HGH occurs in a daily cycle, like a tide. It varies with exercise, sleep, stress and nutrition.

At the age of 30, people have has high levels of human growth hormone (HGH) most of their life.   HGH is responsible for growth during childhood for the repair and regeneration of human tissue.   By the time we reach the age of 30, our HGH levels are only about 20 percent of that of our childhood. After  30, the body continues to decline at about 12 to 15 percent per decade and at that age our bodies no longer produce enough HGH to repair all of the damage that is occurring in our bodies.

When we are young HGH is secreted consistently but as we get older less and less HGH is been secreted by the pituitary gland. As we hit middle age, there is a natural decline in hormone production, not only of HGH, but estrogen, progesterone, DHEA, androstenedione, and testosterone.

The bad news is that as you get past about 20 years old, your body produces less and less HGH each year. By age 60 you will probably have lost 75% of the HGH that your body produced.

Here are some average HGH secretion levels:

• At 20 years old we average 500 micrograms/day
• At 40 years old we average 200 micrograms/day
• At 80 years old we average 25 micrograms/day

There are at least 3 substances which control HGH secretion:

• Growth hormone releasing hormone (GHRH), a substance which declines with age. Increasing levels of GHRH causes the pituitary to increase its output of HGH.
• Growth hormone releasing peptide (GHRP) is another substance that declines with age. Increasing levels of GHRP also causes the pituitary to increase its output of HGH.
• Somatostatin is a hormone that blocks the release of HGH by the pituitary gland. The natural production of somatostatin increases with age, and causes a corresponding decrease in HGH production by the pituitary gland.

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