Understanding IGF-1
Understanding IGF-1 Read More »
IGF-1 is not an anabolic steroid but a protein hormone (also known as a peptide or simply a peptide hormone), structurally highly similar to the hormone insulin—another peptide/protein hormone. IGF-1 is primarily produced and synthesized naturally within the human body, mainly in the liver. The liver is stimulated by human growth hormone (HGH) to trigger […]