IGF-1 LR3 (Receptor Grade) 100mcg x 10 Vials
IGF-1 LR3 (Receptor Grade) 100mcg x 10 Vials. IGF-1 LR3 is classed as a research chemical and not for human consumption. Real IGF-1 is also known as insulin growth in factor 1. IGF-1 LR3 study has so far been positive in protecting muscle and bone and increasing muscle mass and endurance. Experts consider it to be a positive step to treating muscle wastage diseases and injury repair.