IGF 1 LR3 Injection Benefits And How It Works The HCG Institute Side Effects of IGF 1 LR3 Peptide Explained PEP DOSE IGF 1 LR3 1MG Beverly Hills Rejuvenation Center IGF1 LR3 insulin like growth factor IGF1 LR3 Peptide Anderson Longevity Clinic IGF 1 LR3 (Insulin like Growth Factor 1 Long R3) is often called the "Holy Grail" of muscle building peptides because of its potent anabolic effects. In a Med Spa context, it is typically sought out