Synthesized in the USA
Needle-free
Lab results
All reports →View available lab reports →- Latest batch
- RET20N0426
- Purity (HPLC)
- >99.3%
- Identity (MS)
- Confirmed
- Tested
- 08 May 2026
| Batch | Strength | Purity | Tested | Certificate |
|---|---|---|---|---|
| RET20N0426 | 20 mg | >99.3% | 08 May 2026 · >99.3% | PDF ↓ certificate for batch RET20N0426 |
| RET40N1125 | 40 mg | >99.0% | 13 Nov 2025 · >99.0% | PDF ↓ certificate for batch RET40N1125 |
| RET20N1125 | 20 mg | >99.0% | 13 Oct 2025 · >99.0% | PDF ↓ certificate for batch RET20N1125 |
Testing lab: AxisPharm, LLC. Match the batch number printed on your label.
Research use only
This compound is not intended for human consumption, clinical use or veterinary applications. Reinpep is not affiliated with any pharmaceutical company or its commercial medications. By ordering, you certify it will be used only for in-vitro testing and laboratory experimentation by qualified professionals. Introduction into humans or animals is prohibited. This product is not a drug, food or cosmetic and may not be misbranded or relabeled as one.
About Retatrutide
Available sizes
- Retatrutide 20 mg · ION Nasal Spray
- Retatrutide 40 mg · ION Nasal Spray
- Retatrutide 10 mg / 20 mg / 40 mg · Vial
Laboratory handling & safety
Good practice
- Use sterile technique and SOPs suited to your model
- Record batch numbers, storage conditions and preparation
- Keep the COA with your study records
- Store and dispose of material per institutional programs
Safety considerations
- PPE. Lab coat, nitrile gloves and eye protection.
- Engineering controls. Minimize aerosols. Use a fume hood or biosafety cabinet where required.
- Exposure. Avoid inhalation, ingestion and contact with skin or eyes.
- Spills. Use PPE and institutional spill procedures, and avoid dry sweeping.
- Disposal. Follow local regulations and hazardous-waste protocols.
Certificate of analysis & quality
Every batch ships with a certificate of analysis from an independent laboratory. It confirms identity by mass spectrometry and purity by HPLC, and lists the batch number, test date and methods used.
Certificates are published on this page and in the Lab & COAs library. Contact support@reinpep.com if you need documentation for audits or internal records.
You ask, we answer
Are these peptides quality tested?
Yes. Every batch is tested by an independent third-party laboratory for identity (mass spectrometry) and purity (HPLC) before release. Each COA shows the batch number, test date and method.
What are typical delivery times?
Orders placed before 2pm ET ship the same business day. Free 2-day shipping applies to orders over $200. You get tracking by email as soon as the label is created.
How should this product be stored?
Keep the spray refrigerated at 2–8 °C, upright, capped and away from light. Do not freeze.
Is it stable during shipping?
The Protixa ION formulation is shipped in insulated packaging. Stability data are being published and will appear on the Protixa ION page.
What is the shelf life of an unopened product?
The best-by date is printed on the label and on the batch COA.
What are your bulk ordering options?
Buy 5 and save 5%, or buy 10 or more and save 10%. For larger or institutional orders, contact support@reinpep.com.
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