Human Growth Hormone: What is HGH and What Does it Do? - Bodybuilding.com
https://www.bodybuilding.com/content/growth-hormone-what-is-it-and-what-does-it-do-an-experts-view.html
Web ResultNov 13, 2020 · "GH", says Ali, "is a single-chain protein made of 191 amino acids with a molecular weight of approximately 22 kDa (Kilo Daltons). It is released into the blood-stream by the somatotrope cells of the anterior pituitary gland. Initially it was taken from human pituitary glands, however, in 1985, biosynthetic HH replaced …
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