What’s Included
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40mg Retatrutide Pre Loaded Peptide Pen
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Disposable Pen Needle Tips
Inside the Vial · Reference Data
| Compound | Retatrutide (LY3437943) |
| Class | Triple GIP / GLP-1 / Glucagon agonist |
| Formula | C221H343N57O68 |
| Molecular Weight | ≈ 4731 g/mol |
| CAS Number | 2381089-83-2 |
| Purity | 99.67% by HPLC |
| Storage | Refrigerated 2°C to 8°C |
How It Works
Three receptors. One molecule.
01 / 03
GLP-1 Receptor
Studied for glucose dependent insulin secretion and gastric emptying.
02 / 03
GIP Receptor
Linked to lipid handling and energy expenditure.
03 / 03
Glucagon Receptor
The pathway that sets retatrutide apart from dual agonists.
Sources
Cited, not claimed.
Every reference below is publicly available and peer reviewed.
23
2023
NEJM · Phase 2
Triple Hormone Receptor Agonist Retatrutide for Obesity: A Phase 2 Trial
Jastreboff AM et al. · New England Journal of Medicine
23
2023
Lancet · Phase 2
Retatrutide for type 2 diabetes: a phase 2 trial
Rosenstock J et al. · The Lancet
24
2024
Nature Med · Phase 2A
Retatrutide for metabolic dysfunction associated steatotic liver disease
Sanyal AJ et al. · Nature Medicine
22
2022
Pharmacology
LY3437943: discovery to clinical proof of concept
Coskun T et al. · Cell Metabolism
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Storage & Handling
Store the pre loaded pen in a refrigerator at 2°C to 8°C. Keep away from direct sunlight and freezing temperatures. Read the package leaflet before use.



