IGF 1, the Cross Road of the Nutritional, Inflammatory and Hormonal Pathways to Frailty LONG R IGF I Most people train harder. Smarter people optimize recovery. IGF 1 LR3 is a long acting growth factor analog that supports muscle recovery, lean mass preservation, cellular repair, and metabolic signaling when used under medical IGF 1 LR3 Peptide Therapy Muscle Growth & Recovery Esthetic Solutions IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease IGF 1 LR3 Dosage Guide: Benefits, Timing, and Results i313