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NOREXA Retatrutide 20 mg Lyophilized Peptide vial — Research Use Only

Product images are for illustrative reference only. Final label layout and packaging details may vary by batch or production run. Product identity, strength and batch-specific documentation are provided separately and remain product-specific.

NOREXA PEPTIDES / RESEARCH MATERIAL

Retatrutide20 mg

Lyophilized Peptide — Single vial

Retatrutide 20 mg supplied exclusively for laboratory research use. Batch documentation and independent third-party laboratory testing status are made accessible through the NOREXA batch verification system.

Retatrutide, referred to informally as Reta or R3TA in some online research discussions and identified in development literature as LY3437943, is presented here solely as a laboratory research material.

In stock
€150 per vial
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RESEARCH FOCUS
Weight & Metabolism
QUANTITY
Research areas
GLP-1 & Metabolic Research
FOR LABORATORY RESEARCH USE ONLY.

Not for human or animal consumption.
Not intended to diagnose, treat, cure or prevent any disease.

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Retatrutide · 20 mg—RESEARCH & TECHNICAL OVERVIEW

RESEARCH & TECHNICAL OVERVIEW

Retatrutide
20 mg

Retatrutide (LY3437943) is a synthetic single-peptide analogue engineered for agonist activity at the glucose-dependent insulinotropic polypeptide (GIP), glucagon-like peptide-1 (GLP-1) and glucagon receptors. It is not a naturally occurring peptide.

Published research has examined its multi-receptor pharmacology and metabolic effects in early-phase and phase 2 human studies. Those studies concern the investigational compound and do not test or endorse any NOREXA batch.

RESEARCH SCOPE

For research use only. Not for human or veterinary use. Published findings describe the compound or related research systems; they are not claims about this NOREXA batch.

HANDLING INFORMATION

Storage After
Reconstitution.

Temperature
Refrigerate at 2–8°C.
Light
Keep sealed and protected from light.
Stability
An exact post-reconstitution stability period has not been established for this formulation.

The cited reference does not establish an exact storage period for this product after reconstitution with bacteriostatic water.

MedChemExpress — Retatrutide technical record ↗

SCIENTIFIC CONTEXT

Structured.
Source-led.

Longer technical information is grouped for easier reading on desktop and mobile.

01Natural Biological Context+

GIP, GLP-1 and glucagon are endogenous peptide hormones involved in nutrient sensing, pancreatic signalling and energy metabolism. Retatrutide is a synthetic analogue designed to combine activity at all three receptor systems in one molecule.

The engineered compound should not be described as naturally occurring merely because its receptor targets have endogenous ligands.

02Research Mechanisms+
In vitro

GIP receptor

Cell and pharmacology studies characterize agonist activity at the GIP receptor as one part of the compound's triple-receptor profile.

In vitro

GLP-1 receptor

Research evaluates GLP-1 receptor signalling within the same single-peptide architecture.

In vitro

Glucagon receptor

Glucagon-receptor activity is investigated alongside incretin-receptor signalling rather than as a separate molecule.

Human research

Integrated metabolic signalling

Phase 1b and phase 2 studies have examined biomarkers and metabolic outcomes in humans; these data remain investigational and are not product-performance claims.

03Research Applications+
  • Receptor pharmacology and comparative signalling assays involving GIPR, GLP-1R and GCGR.
  • Laboratory investigation of multi-agonist peptide design and metabolic signalling.
  • Published human research involving glucose regulation, energy balance and body-composition endpoints.
04Laboratory Research Preparation+

Lyophilized material may require preparation as a laboratory solution before use in an in-vitro assay. The solvent or buffer and working concentration should follow the applicable protocol and documentation for the exact molecular form.

This page intentionally provides no human dosing calculations, syringe-unit conversions, administration route or treatment schedule. Preparation conditions should be established and recorded by qualified laboratory personnel.

INDEPENDENT VERIFICATION

Batch evidence,
without overclaiming.

Purity alone is not enough. NOREXA distinguishes identity, purity and actual quantity, and publishes results only for the exact batch tested.

CURRENT BATCH / LOT

T20260501INDEPENDENT REPORT PUBLISHED
Identity
✓Verified
Retatrutide confirmed
Purity
✓Verified
99.834%
Quantity / content
✓Verified
20.53 mg
Product
Retatrutide 20 mg
Independent Laboratory
Janoshik Analytical
Laboratory Order
#83933
Verification Key
B4WG4F745H1B
VIEW COAVIEW TEST REPORTVERIFY BATCH

These results apply only to Retatrutide 20 mg, batch T20260501. They must not be transferred to another strength or lot.

HISTORICAL BATCHES

No historical batch records are currently published for this product.

PRODUCT INFORMATION

Technical
Data.

Verified identity and catalogue information for this NOREXA research material. Unconfirmed fields are omitted.

Product Name
Retatrutide
Content
20 mg
Form
Lyophilized Peptide
Presentation
Single vial
CAS Number
2381089-83-2
Research Classification
Research Use Only

Batch documentation and independent reports are shown only when published for the exact corresponding batch.

CHEMICAL IDENTITY REFERENCE ↗

SELECTED SOURCES

Research
Literature.

Selected literature describes the compound and relevant research pathways; it does not constitute testing or endorsement of this NOREXA batch.

  1. 01
    Human research

    LY3437943, a novel triple GIP, GLP-1, and glucagon receptor agonist in people with type 2 diabetes

    The Lancet · 2022

    ↗
  2. 02
    Human research

    Triple-Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial

    New England Journal of Medicine · 2023

    ↗
  3. 03
    Human research

    Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes

    The Lancet · 2023

    ↗

PRODUCT FAQ

Retatrutide
questions.

01Is Retatrutide naturally occurring?+

No. Retatrutide is a synthetic multi-receptor peptide analogue. Its receptor targets have endogenous ligands, but the engineered molecule itself is not naturally occurring.

02What receptor pathways are studied?+

Published work examines agonist activity at GIP, GLP-1 and glucagon receptors, including how those signals combine within one peptide.

03Does the literature verify this NOREXA vial?+

No. Literature describes the investigational molecule. Only batch-specific documentation shown in NOREXA verification applies to a NOREXA batch.

04What does research use only mean?+

The material is supplied for controlled laboratory and analytical work only. It is not for human or veterinary use, ingestion or administration.

SECTION 01 — STANDARDS

Scientific transparency,
documented for research.

01 / 03

Scientific Integrity

Independent analytical results are presented as reported by the testing laboratory, without altering the laboratory’s findings.

02 / 03

Batch Traceability

Each batch is assigned a record linking the product to its available technical and independent testing documentation.

03 / 03

Quality Documentation

Available batch documentation is organized under the corresponding batch number for clear reference.

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