Mechanistically, retatrutide adds a third receptor (glucagon) that tirzepatide doesnt engage at all, and binds the GIP receptor far more tightly, so meaningful GIP engagement arrives at a fraction of the dose
Yet, in specific experiments, non-androgenized control animals, included for reference purposes, were fed a standard chow diet, with a dry matter composition of 3.5% fat, 5.9% fiber, 14% proteins, and 57.5% water-soluble carbohydrates, estimated as N-free-extracts (LASQdiet, Rod14-R)
Many users have found it helpful for overcoming weight loss plateaus and achieving their fitness goals
Increase maintenance frequency from twice weekly to three times weekly (e.g., Monday, Wednesday, Friday) or increase the dose from 0.5mg to 1mg per injection