Growth hormone (somatotropin) is a special protein that includes 191 amino acids. It is produced by the pituitary gland. The highest concentration of HGH is observed in people under the age of 20 years, during growth, then approximately every 10 years its amount decreases by 15%. The advantages of using growth hormones are the following: strengthening bones, improving the immune system, accelerating fat burning and muscle building, and an overall increase in energy.
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