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Description
IGF-1 is a small polypeptide consisting of 70 amino acids that is synthesized and secreted into the bloodstream mainly by the liver and some IGF-1 is acted upon by the kidneys or skeletal muscles in an autocrine or paracrine manner in their own tissues or periphery (7)

It is an appealing concept, but one that lacks direct clinical validation through controlled studies

[DOI] [PubMed] [Google Scholar] 119.Liu M., Ma Y., Du Q., Hou X., Wang M., Lu S

After shaking and filter, first use a small amount of dilute acid to wash, and then use a large number of water till filtrate is near colourless to get crude products
