Where to buy retatrutide for research, and how to check the seller

Sizes, price and the lot behind each

A certificate describes one lot. So the useful question is not whether a seller has a certificate, but which lot each size is filled from and whether that lot was tested. Here is ours, size by size.

15mg: the certificate for this lot is not yet published. We show the gap rather than borrow another lot’s report, and it is first in line for our own testing.

Who ordered the testing

All 19 retatrutide certificates on record were ordered by the manufacturer, Cocer Peptides, and name it as the client. They are genuine and verifiable, but they are the manufacturer's evidence. In October 2026 Lyra Vital sent sealed retail vials from its own stock to Janoshik in its own name; each report is published here as it is issued, whatever it says.

Want a result that owes nothing to us? Our test bounty reimburses up to $250 for an independent test of any unopened vial, posted publicly, whatever it shows.

How to check any retatrutide seller, including us

1. 01

   The report verifies at the laboratory.

   A certificate image proves nothing by itself. Enter its task number and key at janoshik.com/verification/; the lab should return the same report.

2. 02

   The lot matches your vial.

   The batch code on the report should be the batch code on the vial you receive. A certificate for a different lot, or for a different size filled from an untested lot, does not describe your material.

3. 03

   You know who ordered it.

   The client line says who sent the sample. A manufacturer's test is useful; a test the seller ordered on its own retail stock, or one a buyer ordered, is stronger.

4. 04

   Identity, not just purity.

   HPLC purity says how clean the sample is; mass spectrometry says it is retatrutide at all. A purity figure without an identity result is half a test.

5. 05

   Endotoxin, if it matters to your work.

   Bacterial endotoxin is a separate panel from purity and identity, and most research-peptide certificates do not include it. Ask for it by name.

Regulatory status

Retatrutide is investigational. Eli Lilly’s Phase 3 TRIUMPH program reported during 2025 and 2026 and Lilly has said it intends to seek approval, but it is not approved by the FDA for any use. Lyra Vital supplies it strictly as laboratory research material, not for human or veterinary use, and gives no dosing or use guidance.

Research reference: receptor pharmacology and laboratory handling →

Retatrutide questions

Where can I buy retatrutide for research?

Lyra Vital sells retatrutide as a lyophilized research peptide in 10mg, 15mg, 20mg, 30mg single vials from $99, shipped from Orlando, Florida. 19 Janoshik Analytical certificates are on record, measured purity 99.29% to 99.91%, each verifiable by key with the laboratory. For research use only.

Who ordered the retatrutide testing?

All 19 retatrutide certificates on record were ordered by the manufacturer, Cocer Peptides, and name it as the client. They are genuine and verifiable, but they are the manufacturer's evidence. In October 2026 Lyra Vital sent sealed retail vials from its own stock to Janoshik in its own name; each report is published here as it is issued, whatever it says.

Is retatrutide FDA approved?

No. Retatrutide (Eli Lilly research code LY3437943) is investigational. Its Phase 3 TRIUMPH trials reported results during 2026 and Lilly has said it intends to seek approval, but it is not approved for any use. Lyra Vital supplies it strictly as research material.

Is "GLP-3" the same thing as retatrutide?

Yes. "GLP-3", "GLP-3 RT" and "Reta" are informal names some sellers use for retatrutide, after its three receptor targets (GIP, GLP-1 and glucagon). There is no separate compound called GLP-3. The identifiers that matter are the research code LY3437943 and CAS 2381089-83-2.

Which certificate covers the vial size I order?

The one for your vial's lot. Each size lists its own batch and certificate on this page, and the batch code printed on your vial returns that certificate in the lookup at lyravital.com/verify. The laboratory certifies a lot, not a fill weight, so the measured content on a report can differ from the label size. Where a size's certificate is not yet published, the page says so rather than borrowing another lot's.

How do I check a retatrutide certificate myself?

Take the task number and key from the certificate and enter them at janoshik.com/verification. The laboratory returns its own copy of the report. Lyra Vital neither issues nor hosts that result, so the check does not depend on us.