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Retatrutide · How it works
The GIP signal
Retatrutide acts more strongly on the GIP receptor than on the other two. GIP helps fat tissue take up and store fat safely and improves insulin sensitivity. In the brainstem, GIP calms the nausea centre. That lets the body carry a stronger appetite signal with less sickness.
Sources
Read the original sources
- LY3437943, a novel triple glucagon, GIP, and GLP-1 receptor agonist for glycemic control and weight loss: From discovery to clinical proof of concept. (Coskun · 2022 · Abstract; full methods not assumed · checked 2026-10-13)
- A contemporary rationale for GIP receptor agonism in obesity, Samms 2025, Diabetes (Abstract · checked 2026-10-13)