Retatrutide (LY3437943) is a 39-residue modified synthetic peptide studied in laboratory research as a triple agonist of the glucagon (GCGR), GLP-1 and GIP receptors. Simple Life Science supplies retatrutide as a lyophilized research reference material (catalog shorthand SP-3RT) for laboratory research use only, with a Certificate of Analysis for each lot. Guest checkout is open: no account is needed to order.
For research use only. Not for human or veterinary use. Not for consumption. No dosing, administration or medical guidance is provided.
Retatrutide specifications
| Identidad | Retatrutide research reference (synonym LY3437943) |
|---|---|
| Número CAS | 2381089-83-2 |
| Molecular formula / weight | C221H342N46O68 / 4,731.3 Da |
| Número de catálogo | GR-PW |
| Pack sizes listed | 6 mg, 12 mg, 24 mg and 48 mg |
| Format | Material de investigación liofilizado, no estéril |
| Especificación de pureza | Target at least 99% by RP-HPLC; the lot result controls |
| Almacenamiento | -20°C, dry and protected from light; follow lot documentation |
| Manufacturer (per product record) | Remetide |
| Documentación | Lot Certificate of Analysis from Freedom Diagnostics Testing |
Sample lot COAs
From our public Documentation Library (search “Retatrutide” to see every lot):
- Lot GR12-082026-1 (12 mg), reported 2026-08-04: 99.80% purity, 15.54 mg net content. Open COA (PDF)
- Lot GR48-052026-4 (48 mg), reported 2026-05-14: 99.91% purity, 48.44 mg net content. Open COA (PDF)
How to verify a lot
- Every vial carries a printed lot number that matches its COA.
- Find that lot in the Documentation Library and open the COA.
- Enter the Search Code or accession number printed on the COA at the Freedom Diagnostics Testing lookup.
- Compare product, lot, purity, net content and dates. Freedom Diagnostics Testing is an independent lab; Simple Life Science has no ownership, financial or business affiliation with it.
Ordering and shipping
- El pago como invitado está disponible: no necesitas cuenta para pedir.
- Orders received before 2 PM ET on business days ship the same day.
- Express Overnight cutoff: 4 PM ET.
Pide como invitado, sin cuenta
Retatrutide FAQ
What is retatrutide?
Retatrutide (LY3437943) is a 39-residue modified synthetic peptide studied in laboratory research as a triple agonist of the glucagon, GLP-1 and GIP receptors.
Does Simple Life Science sell retatrutide?
Yes. Simple Life Science supplies lyophilized retatrutide research reference material for laboratory research use only. Guest checkout is open, so no account is needed to order.
What pack sizes are available?
The catalog lists 6 mg, 12 mg, 24 mg and 48 mg packs.
How should retatrutide be stored?
The product record specifies -20°C, dry and protected from light; follow the lot documentation.
How do I verify my lot?
Every vial carries a printed lot number that matches its COA. Open that COA in the Documentation Library and confirm its Search Code with Freedom Diagnostics Testing, an independent lab with no affiliation to Simple Life Science.
Is retatrutide for human use?
No. It is sold for research use only and is not for human or veterinary use or consumption. No dosing or usage guidance is provided.
More about us: Is Simple Life Science legit? Lab records, COAs and how to check them.
For research use only. The applicable lot Certificate of Analysis is the authoritative record.
