It makes muscles more sensitive to insulins effects, so if you are a person that currently uses insulin you can lower your dosage by a decent margin to achieve the same effect, and as mentioned IGF-1 will keep the insulin from making you fat
The fatty-alcohol part of the molecule also gives it a light, emollient feel so it doubles as a nice texture enhancer
Head-to-Head Efficacy: Tirzepatide Wins 22% vs 15% Weight Loss The most robust head-to-head comparison comes from the SURPASS-2 trial, a 40-week, phase 3 study of 1,879 adults with type 2 diabetes, published in the N Engl J Med
Their other product, resG, targets different pathways
Ipamorelin mimics ghrelin and binds to the ghrelin receptor (or GH secretagogue receptor, GHSR) in the brain, thereby selectively stimulating the release of GH from the pituitary gland