IGF-1 lr3 is an anabolic peptide commonly use to increase metabolism, Förderung der Proteinsynthese, and help bodybuilders gain muscle mass. Also, offensichtlich, IGF-1 lr3 makes you bigger. Nicht nur das, 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. Also, in addition to building muscle, IGF-1 …