Before & After 3 years apart. The gym hasn't just changed my appearance, it's changed everything. I'm very thankful I found it (and this sub!) : r veganfitness Insulin like growth factor 1 stimulates retinal cell proliferation via activation of multiple signaling pathways ScienceDirect Recombinant Human LR3 IGF I IGF 1 GMP Protein, CF 8335D GMP: R&D Systems IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease IGF 1 LR3 and Penis Enlargement: What the Evidence Actually Shows