Research use only. Independently tested peptides · certificate of analysis for every batch · €9.90 tracked delivery in 3–5 days
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Retatrutide Research Peptide

Price range: €49.95 through €124.95

Triple agonist engaging GIP, GLP-1 and glucagon receptors, the newest of the incretin sequences in metabolic literature. Supplied to research laboratories across Ireland as a lyophilised powder; batch-matched certificates of analysis are available to view on this website.

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In stock — dispatched promptly

€9.90 tracked delivery in 3–5 days

✓ Independently laboratory tested
✓ Certificate of analysis published online
✓ ≥99% HPLC purity standard
✓ €9.90 tracked delivery in 3–5 days
SKU: RETATRUTIDE Category:
All products supplied by Kensington Laboratories are for laboratory research use only. Not for human or veterinary consumption, diagnostic or therapeutic use.

Description

OVERVIEWProduct overview

Retatrutide is a synthetic peptide designed to engage three metabolic receptors at once — GIP, GLP-1 and glucagon — rather than a single incretin pathway.

It appears in metabolic research literature examining how simultaneous receptor engagement alters glucose handling, energy expenditure and adiposity in laboratory models.

All published work is preclinical or investigational. This material is supplied as a laboratory reference compound and is not authorised as a medicine in Ireland, the UK or the EU.

SUPPLY IN IRELANDRetatrutide Ireland — supplied to research laboratories

Research groups across Ireland buy Retatrutide from Kensington Laboratories as a lyophilised Retatrutide peptide, released only against a batch-matched certificate of analysis. Every vial of high purity Retatrutide is verified by HPLC and LC-MS before it leaves the facility, so laboratories ordering Retatrutide in Ireland receive material with documented purity and identity.

Laboratory Retatrutide is packed for controlled storage and sent by tracked delivery in 3–5 days to Dublin, Cork, Galway, Limerick and the rest of Ireland. Delivery costs €9.90 per order. Teams planning Retatrutide research can review the specifications, certificate of analysis and reference list on this page before ordering.

Institutions searching for Retatrutide peptide suppliers in Ireland typically compare purity, batch documentation and delivery times. Each of those is published here: a 99% HPLC purity specification, a certificate matched to the batch code on your vial, and tracked delivery in 3–5 days.

Retatrutide is supplied strictly for laboratory research use only. It is not a medicine and is not for human or veterinary consumption.

SPECIFICATIONSProduct specifications
  • Purity: ≥ 99% (HPLC)
  • Appearance: White lyophilised powder
  • Quantity: 5 mg or 10 mg or 15 mg or 20 mg per vial
  • Peptide class: Synthetic triple GIP / GLP-1 / glucagon receptor agonist peptide
  • Also known as: LY3437943, triple agonist peptide
  • Solubility: Soluble in bacteriostatic or sterile water
  • Storage temperature: Store at 2–8°C; long-term −20°C, protected from light
  • Shelf life: 24 months lyophilised; 30 days reconstituted at 2–8°C
  • Manufacturing standard: ISO 9001 facility, GMP-aligned solid-phase synthesis
  • Batch information: Batch number and expiry printed on every vial label
RESEARCHResearch overview

The following summary is provided for educational and scientific context only. It describes what has been observed in published laboratory and animal studies and does not represent established clinical outcomes, medical advice or a claim of efficacy in humans.

Background

Retatrutide is a synthetic peptide designed to engage three metabolic receptors at once — GIP, GLP-1 and glucagon — rather than a single incretin pathway.

It appears in metabolic research literature examining how simultaneous receptor engagement alters glucose handling, energy expenditure and adiposity in laboratory models.

All published work is preclinical or investigational. This material is supplied as a laboratory reference compound and is not authorised as a medicine in Ireland, the UK or the EU.

Current research areas

Published investigation clusters around a small number of biological themes. Each remains experimental and none has been established as a therapeutic effect in humans.

  • Incretin receptor pharmacology in cell-based assays
  • Glucose handling and insulin signalling in rodent models
  • Energy expenditure and adiposity endpoints
  • Comparative studies against single and dual receptor agonists

Scientific context and proposed mechanisms

Study authors describe concurrent activation of GIP, GLP-1 and glucagon receptors, with the glucagon component associated in the literature with changes in energy expenditure alongside the appetite-related effects attributed to GLP-1 signalling.

Interpreting the evidence

Most published work in this area uses cell culture or rodent models with small group sizes and short observation windows. Independent replication varies considerably between compounds, and results are sensitive to species, route, dose and endpoint.

There is no regulatory-approved human protocol for this compound. Any laboratory protocol should be defined by the model under study, institutional ethical approval, appropriate controls and predefined endpoints.

References

    CERTIFICATE OF ANALYSISIndependent batch testing
    KLKensington LaboratoriesCertificate of AnalysisIndependent analytical reportKL-RETATRUTID-2405AVIEW VERIFIED REPORT

    Every released batch is independently tested. Match the batch number on the vial to the certificate published online.

    Batch number
    KL-RETATRUTID-2405A
    Testing laboratory
    Janoshik Analytical, s.r.o.
    Date tested
    14 May 2026
    Reported purity
    99.14%
    Method
    RP-HPLC with UV detection at 214 nm, confirmed by LC-MS
    View full laboratory report →
    FAQSFrequently asked questions
    What is Retatrutide?
    Retatrutide is synthetic triple GIP / GLP-1 / glucagon receptor agonist peptide, also referred to in the literature as LY3437943, triple agonist peptide. Laboratory interest centres on metabolic receptor signalling and energy balance models. It is not a licensed medicine and is supplied for research use only.
    What quantity of Retatrutide is supplied?
    Each vial of Retatrutide contains 5 mg, 10 mg, 15 mg or 20 mg of lyophilised powder. Vials are individually sealed, with the batch number and expiry date printed on the label so stock can be matched to its published certificate of analysis.
    What purity is Retatrutide released at?
    Purity is the proportion of material that is the target peptide, with the remainder consisting of truncated sequences, salts and residual solvents from synthesis. It is measured by reverse-phase HPLC, and Retatrutide is released at 99% or higher.
    What does the certificate of analysis for Retatrutide show?
    The certificate reports the identity and purity of the exact batch you receive: the HPLC purity percentage, mass confirmation by LC-MS, the independent testing laboratory, the batch number and the test date. Every batch of Retatrutide is tested before release.
    Is Retatrutide suitable for human use?
    No. Retatrutide is supplied strictly for in-vitro and preclinical laboratory research by qualified professionals. It is not for human or veterinary consumption and is not licensed as a medicine.
    What is Retatrutide studied for in research models?
    Published work using Retatrutide concerns incretin receptor pharmacology in cell-based assays, glucose handling and insulin signalling in rodent models, energy expenditure and adiposity endpoints. All of this is preclinical, and none of it establishes a therapeutic use in humans.
    Is Retatrutide legal to buy in Ireland?
    Retatrutide may be supplied and purchased as a laboratory reference compound for research use only. It is not an authorised medicine in Ireland, the UK or the EU, and it must not be presented, sold or used as a treatment for any human or animal condition.
    How should Retatrutide be stored?
    Sealed lyophilised vials of Retatrutide are held at 2–8°C for short periods and at −20°C for long-term storage, protected from light. Once reconstituted, solutions are refrigerated and used within a short window; freeze–thaw cycling should be avoided.
    How much bacteriostatic water should be used with Retatrutide?
    There is no single correct volume — the amount of diluent used simply sets the concentration of the resulting solution. Many laboratories choose a round figure such as 2 ml per vial to keep calculations straightforward. Bacteriostatic water is not supplied and is purchased separately.
    How quickly is Retatrutide delivered in Ireland?
    Orders placed before the daily cut-off are dispatched with €9.90 tracked delivery in 3–5 days to Dublin, Cork, Galway, Limerick and addresses nationwide. Packaging is discreet and a tracking number is emailed on dispatch.

    Additional information

    Strength

    5 mg, 10 mg, 15 mg, 20 mg

    Purity

    ≥ 99% (HPLC)

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