Why Stack Them? Retatrutide & Ipamorelin Complementary mechanisms Retatrutide drives aggressive fat loss via appetite suppression and metabolic upregulation; Ipamorelin supports GH driven body recomposition and muscle preservation. Ipamorelin may Tesamorelin + Retatrutide: Should You Stack Them for Fat Loss Peptide Muscle building stack Without a doubt, if you choose to add peptides, healthy habits must come first. Training, nutrition, sleep, and stress management are the foundation. Peptides can enhance results, I've tried a lot of peptide stacks over the past few years. This the one I'm on right now: