IGF-1 lr3 is an anabolic peptide commonly use to increase metabolism, eiwitsynthese te bevorderen, and help bodybuilders gain muscle mass. Dus, klaarblijkelijk, IGF-1 lr3 makes you bigger. En dat niet alleen., IGF-1 stimulate testosterone production in testicular interstitial cells and, together with testosterone, mediate some of the growth-promoting effects of androgens in androgen-reactive tissues. Dus, in addition to building muscle, IGF-1 …