

RT-100
Retatrutide (RETA) Research Peptide
$56.00
Retatrutide (RETA), also known as LY3437943, is a research peptide studied for its activity at GLP-1, GIP and glucagon receptors. Explore available vial sizes and review product specifications and batch-specific certificates of analysis to evaluate the material for your laboratory research.
Read our laboratory reconstitution & storage guideSize
In stock · 10 mg / vial · ships in 1–2 business days
- Quantity
- 10 mg / vial
- Form
- Lyophilized powder
- Stock status
- In stock
Certificate of Analysis
Third-party HPLC and MS results for Confirm lot match against the available report. View COA
Storage information
Store lyophilized material at -20 °C, protected from light and moisture. Once reconstituted for laboratory work, keep at 2–8 °C and avoid repeated freeze-thaw cycles.
Shipping
Insulated packaging with tracked domestic and international delivery. Import eligibility is the purchaser's responsibility.
Research Use Only
Not approved for human consumption, veterinary use, or the diagnosis, treatment, cure, or prevention of any disease. Not a drug, supplement, food, or cosmetic.
Product description
Retatrutide research peptide: product overview
This product is listed as GLP-3 RT Retatrutide and is available from PNW Peptides in 10mg and 20mg labeled vial sizes, supplied as lyophilized powder for laboratory research. Select the required size using the options above. The size identifies the labeled quantity per vial; it should be distinguished from the quantity measured in an individual analytical sample. The published testing information below relates to a tested 10mg sample.
The existing certificate covers a tested 10mg sample. A separate certificate for the 20mg size is not currently published. The figures in this table describe the reported sample and should not be read as separate test results for both available sizes.
| Lab reference | 2606230154 |
| Chromatographic purity | 99.86% |
| Quantity found | 11.54 mg |
| Mass spectral match | Confirmed |
| Sample received | 23 June 2026 |
| Report issued | 25 June 2026 |
| Testing laboratory | Freedom Diagnostics |
Review the reported analytical summary in our certificate of analysis archive. Use lab reference 2606230154 to identify the report when asking about these results.
Understanding the reported results
Chromatographic purity, identity confirmation, and quantity found answer different questions. The reported purity of 99.86% describes the chromatographic result for the tested sample. It is not a statement that every possible impurity or contaminant has been excluded. The confirmed mass spectral match provides analytical evidence supporting identity. The quantity found, 11.54mg, is the measured amount reported for that sample rather than the nominal size selected when ordering.
Read these results together and consult the original report for its methods and scope. A purity percentage alone does not establish sterility, suitability for a particular experiment, or suitability for human use. Our guide to reading certificates of analysis and HPLC purity testing explains the distinction between these measurements.
Product specifications
- Product: Retatrutide research peptide.
- Available labeled sizes: 10mg and 20mg per vial.
- Physical form: lyophilized, or freeze-dried, powder.
- Intended purpose: laboratory research only.
- Published analytical documentation: the tested 10mg sample identified above.
Laboratory handling and documentation
Review handling requirements before opening or preparing the material. Storage conditions, solvent selection, and the useful lifetime of a prepared solution should follow applicable supplier documentation and your laboratory’s validated procedures. A general product description should not replace a protocol developed for your specific work. Contact us if you need clarification about available documentation before proceeding.
Our laboratory reconstitution guide provides supporting information. Keep preparation and storage records with the sample identification so the material used in an experiment can be traced to its documentation.
Retatrutide GLP-3 reference information
Vial and presentation
Each Retatrutide GLP-3 vial is supplied as lyophilized powder at 10mg / vial. Vials are inspected before release and shipped in insulated packaging.
Purity and testing
Published results apply to the documented sample. No Certificate of Analysis is published here for this product.
Storage
Store lyophilized material at -20 °C, protected from light and moisture. Once reconstituted for laboratory work, keep at 2–8 °C and avoid repeated freeze-thaw cycles.
Reconstitution
Reconstitution for laboratory work is performed with bacteriostatic water or another suitable diluent, added slowly against the vial wall and swirled rather than shaken. Record the volume used so concentrations remain traceable. Supplied for research use only; not for human or veterinary use.


