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What is HGH?

Human growth hormone (HGH) is a 191-amino acid, the hormone which is secreted by the anterior pituitary. Growth hormone is involved in many body processes during the whole life. It promotes the growth of bones, regeneration of skin, muscle growth and loss of fat. Also, HGH participates in the nutrient metabolism of proteins, fats, and carbohydrates.


Recombinant human growth hormone (rHGH) is a synthetic type of this hormone. Synthesized in 1985, rHGH is produced by the bacterium E.coli, which is genetically changed.


Human growth hormone that circulates in the body has more than 100 forms of different weight and quality. 22-kDa isoform constitutes 20% of all HGH.


The molecule of HGH has the peptide structure and consists of 20 types of amino acids.