Specification
| Molecule | Retatrutide (LY3437943) |
| Sequence | Synthetic 39-amino-acid peptide (proprietary) |
| Molecular weight | approx. 4.91 kDa |
| Form | Lyophilized powder |
| Strength per vial | 5 mg, 10 mg, 15 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg, 80 mg, 100 mg |
| Box contents | 10 vials of identical strength |
| Purity | ≥99 % (HPLC) |
Mechanism of action
Retatrutide is a synthetic triagonist studied at three receptors: GLP-1, GIP and glucagon. These pathways act on energy balance, satiety signalling and lipid metabolism. In preclinical models and cell-based studies, researchers examine how simultaneous activation affects food intake, glucose utilisation and body fat composition. The peptide serves as a reference ligand for characterising and comparing signal transduction across the three receptor pathways. Researchers who buy Retatrutide use this 10-vial kit as a defined reference for in-vitro work.
Reconstitution and handling
The lyophilized powder is reconstituted in the laboratory with a suitable sterile solvent. The solvent is added slowly along the vial wall and the preparation is mixed gently until the powder has dissolved completely. The resulting solution is processed promptly, because the peptide in dissolved form is more sensitive to ambient conditions. Until use, the reagent is protected from direct light. Volume or concentration figures are not part of this description; those parameters are set by the receiving laboratory's own protocol.
In-vitro research
In in-vitro research, retatrutide serves as a reference ligand for competitive binding studies at GLP-1, GIP and glucagon receptors. In cAMP assays, the signalling of all three receptors can be tracked in parallel and compared directly. Metabolic cell models use the peptide to investigate its influence on glucose uptake, lipolysis and energy metabolism at the cellular level. The favourable solubility of the lyophilized powder simplifies the preparation of defined dilution series for concentration-response curves.
Quality and analytics
Every lot of retatrutide is tested for purity by HPLC; the content is ≥99 %. An identity check additionally confirms the 39-amino-acid peptide backbone of the molecule. Results are documented per lot and apply uniformly to all available strengths. This analytical characterisation provides a reliable basis for comparing data series and for the reproducibility of in-vitro experiments.
Available amounts per vial: 5 mg, 10 mg, 15 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg, 80 mg, 100 mg. Box of 10 vials.
| Selected strength | Vials per box | Total amount per box |
|---|
| 5 mg per vial | 10 | 50 mg |
| 10 mg per vial | 10 | 100 mg |
| 15 mg per vial | 10 | 150 mg |
| 20 mg per vial | 10 | 200 mg |
| 30 mg per vial | 10 | 300 mg |
| 40 mg per vial | 10 | 400 mg |
| 50 mg per vial | 10 | 500 mg |
| 60 mg per vial | 10 | 600 mg |
| 80 mg per vial | 10 | 800 mg |
| 100 mg per vial | 10 | 1000 mg |