Awesome results this year igf 1 lr3 ,cyp,e,primo then adding tren for 2 months then removed primo and tren added FTPP and diaing diet with labs and results hopefully helps : r Peptides Organ weights in response to Long R3 insulin like growth factor 1 (LR3 Download Scientific Diagram LR3 IGF I IGF 1 Protein, Human (83a.a, E51R) MedChemExpress Localized Igf 1 transgene expression sustains hypertrophy and regeneration in senescent skeletal muscle Nature Genetics Insulin like growth factor 1 stimulates retinal cell proliferation via activation of multiple signaling pathways ScienceDirect