Retatrutide + Cagrilintide (Reta + Cagri) Peptide Vials
Research blend: retatrutide and cagrilintide co-lyophilised in one vial at a 1:1 ratio · boxes of 10 vials
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Strength 1 option · price per box
Boxes
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- No minimumBoxes of 10 vials
- Tracked shippingDispatched in 1–2 working days
- Batch COAFree on request
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Often ordered together
One box of each. Change strengths or quantities in the cart.
Also ordered with Retatrutide + Cagrilintide (Reta + Cagri)
About Retatrutide + Cagrilintide (Reta + Cagri)
What is Retatrutide + Cagrilintide (Reta + Cagri)?
Overview
What is Retatrutide + Cagrilintide (Reta + Cagri)?
This is a research blend of two peptides in one vial: retatrutide, a triple agonist at the GIP, GLP-1 and glucagon receptors, and cagrilintide, a long-acting amylin analogue. Reta + Cagri is a market name for the pairing, not a registered product. Unlike the cagrilintide and semaglutide pairing, this combination has no published trial: the evidence exists for each peptide on its own, and we say so plainly. Supplied as a lyophilised powder in sealed vials, boxed in tens, for laboratory research use only.
Retatrutide + Cagrilintide (Reta + Cagri) at a glance
| Compound | Retatrutide + Cagrilintide (Reta + Cagri) |
|---|---|
| Also known as | Reta Cagri, Reta + Cagri, Reta/Cagri, RetaCagri, retatrutide cagrilintide blend |
| Classification | Research blend: retatrutide and cagrilintide co-lyophilised in one vial at a 1:1 ratio |
| Purity | 99%+ by HPLC |
| Physical form | Lyophilised powder |
| Available strengths | Retatrutide 5 mg + Cagrilintide 5 mg |
| Box quantity | 10 vials |
| Price from | $15.64 per vial ($156.42 per box) |
| Research status | No clinical or preclinical study of this combination has been published. Both components have their own trial records in major journals, and that is the evidence base this blend draws on. |
| Documentation | Batch-specific third-party COA |
These are catalogue target specifications, not batch results. The 99%+ purity figure is the specification we buy to. The authoritative figures for any particular box are the ones printed on that box’s Certificate of Analysis, which is lot-specific. What research grade actually means explains the difference. Terms such as HPLC purity and net peptide content are explained in the peptide glossary.
We make no “third-party verified” claim for a batch unless the matching report is supplied with it. Ask for the current COA for the lot in stock before you order — we will send it.
Prices for every strength
Pricing
How much does Retatrutide + Cagrilintide (Reta + Cagri) cost?
Retatrutide + Cagrilintide (Reta + Cagri) starts at $15.64 per vial (£11.72), sold in boxes of 10 at $156.42. One box is the smallest order and there is no trade account or minimum spend. Larger volumes are negotiable.
| Strength | Per vial | Box of 10 |
|---|---|---|
| Retatrutide 5 mg + Cagrilintide 5 mg | $15.64 £11.72 | $156.42 £117.19 |
Storage & reconstitution
Handling
How should Retatrutide + Cagrilintide (Reta + Cagri) be stored and reconstituted?
Sealed vials tolerate ambient temperature in transit and keep at −20 °C beyond that. Reconstitute slowly down the vial wall, swirl rather than shake, then refrigerate at 2–8 °C and aliquot before freezing.
Why each of those matters, and what a freeze–thaw cycle actually costs: peptide handling and storage reference. How long a mixed vial keeps: reconstituted peptide shelf life.
What it is researched for
Research Context
What is Retatrutide + Cagrilintide (Reta + Cagri) researched for?
Below is a plain-English summary of what published research has investigated, and what it has found. These are descriptions of research activity and published results. They are not claims about what Retatrutide + Cagrilintide (Reta + Cagri) does, and nothing here is a statement that it is safe or effective for any purpose.
Retatrutide on its own
A phase 2 trial in adults with obesity reported dose-dependent weight reduction with once-weekly retatrutide, and later trials in the same population have been published since. 12
Cagrilintide on its own
A phase 2 trial reported dose-dependent weight reduction with once-weekly cagrilintide as a single agent. 3
What is not established
Whether the two act additively, how they interact, and how a co-lyophilised blend behaves on stability. None of this has been studied.
References
- 1Triple-Hormone-Receptor Agonist Retatrutide for Obesity - A Phase 2 Trial. N Engl J Med (2023). PMID 37366315
- 2Retatrutide, a Triple Hormone Receptor Agonist, for Treatment of Obesity. N Engl J Med (2026). PMID 42814954
- 3Once-weekly cagrilintide for weight management in people with overweight and obesity: a multicentre, randomised, double-blind, placebo-controlled trial. Lancet (2021). PMID 34798060
Links open the record on PubMed or PubMed Central. These are citations to published research, not claims about this product.
Laboratory uses
Applications
Where Retatrutide + Cagrilintide (Reta + Cagri) is used in the laboratory
- Combination research adding amylin signalling to the broadest incretin agonist in this catalogue
- Comparative work against retatrutide and cagrilintide on their own, both stocked separately
- Comparison with the cagrilintide and semaglutide blend, where the only change is the incretin partner
- Receptor pharmacology across four hormone systems: GIP, GLP-1, glucagon and amylin
Batch COA
Verification
Does Retatrutide + Cagrilintide (Reta + Cagri) come with a COA?
Yes — every box. Each batch of Retatrutide + Cagrilintide (Reta + Cagri) is analysed by an independent third-party laboratory, and the certificate is tied to the batch number on the vial label.
Example COA. You receive the certificate matching your own batch.
Questions & answers
Questions
Retatrutide + Cagrilintide (Reta + Cagri) questions, answered
What is Reta + Cagri?
It is retatrutide and cagrilintide co-lyophilised in one vial, 5 mg of each. The name is market shorthand. It follows the reasoning behind the cagrilintide and semaglutide combination, with retatrutide as the incretin partner instead of semaglutide.
Has this combination been studied?
Not as a combination. Retatrutide and cagrilintide each have their own published trials, and cagrilintide has phase 3 data with semaglutide. No published study has tested retatrutide and cagrilintide together, so any claim about what the pair does is an expectation, not a finding.
How much does Retatrutide + Cagrilintide (Reta + Cagri) cost?
Retatrutide + Cagrilintide (Reta + Cagri) starts at $15.64 per vial, sold in boxes of 10 vials at $156.42 per box (about £117.19). 1 strength available: Retatrutide 5 mg + Cagrilintide 5 mg. There is no minimum order.
How is Retatrutide + Cagrilintide (Reta + Cagri) shipped to the UK and USA?
Tracked to the UK, USA, EU and worldwide, in plain packaging, dispatched within 1–2 working days. Country-by-country estimates are on the shipping page.
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