MECHA FACTO ( PEG MGF): Promote Muscle Growth, Tissue Repair, Collagen onestop.fit 3 most overhyped peptides that people often think are good. I think things like follistatin, peg mgf and aod people know are trash so its not really worth mentioning haha MECHA FACTO ( PEG MGF): Promote Muscle Growth, Tissue Repair, Collagen onestop.fit 40 YEARS OF IGF1: Insulin like growth factors: actions on the skeleton in: Journal of Molecular Endocrinology Volume 61 Issue 1 (2018)