IGF-1, short for Insulin-like Growth Factor-1, is a polypeptide hormone within the growth hormone (GH) class. It is primarily produced by the human liver, with lesser amounts generated by peripheral tissues. However, individuals with IGF-1 deficiencies require synthetic IGF-1 supplementation. Intriguingly, IGF-1 is profoundly anabolic and shares its name with insulin due to their structural […]
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