IGF 1 LR3 DOSES FOR MASSIVE GROWTH! #askDave IGF 1 LR3: Nasal Spray vs. Subcutaneous Injection Comparison Recombinant Human LR3 IGF I IGF 1 GMP Protein, CF (8335D GMP) by R&D Systems, Part of Bio Techne Defect in Insulin Like Growth Factor 1 Survival Mechanism in Atherosclerotic PlaqueDerived Vascular Smooth Muscle Cells Is Mediated by Reduced Surface Binding and Signaling Circulation Research Late life targeting of the IGF 1 receptor improves healthspan and lifespan in female mice Nature Communications IGF 1 LR3 does not promote growth in late gestation growth restricted fetal sheep American Journal of Physiology Endocrinology and Metabolism American Physiological Society