Dietary and pharmacological modification of the insulin IGF 1 system: exploiting the full repertoire against cancer Oncogenesis 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 IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease IGF 1, the Cross Road of the Nutritional, Inflammatory and Hormonal Pathways to Frailty Peptide Therapy IGF 1 LR3 Revolution Health & Wellness