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doi: 10.3389/fnsys.2015.00090 31 DietrichMOBoberJFerreiraJGTellezLAMineurYSSouzaDOet al

Compare that to oral supplements, which might take weeks to show any effect - if they work at all

Torres et al., 2021)

However, the magnitude of central appetite suppression may differ due to slightly different receptor affinity profiles: Tirzepatide has been engineered for balanced GLP-1/GIP co-agonism Retatrutides GLP-1 affinity is slightly lower, but the energy expenditure component compensates for this In practice, researchers observe that the net caloric deficit achieved with retatrutide is greater even when accounting for the lower GLP-1 affinity, due to the metabolic rate acceleration from glucagon signaling