Home / Shop / Metabolic Research / Retatrutide

Buying from the EU? See Retatrutide for European research buyers.

Retatrutide research vial
Metabolic Research

Retatrutide

Retatrutide is an investigational triple-receptor agonist that engages the GLP-1, GIP and glucagon receptors in a single molecule, studied in metabolic and body-composition research. Supplied lyophilised for laboratory research use only.

Read the full research profile →
How it works · what studies report · scientific references
In stock
≥99% purity target · lot-tracked
Select size
10 mg vial
€120.0010 mg vial
Ships from IrelandTracked, inside the EU
Dispatched in 1–2 working daysTracked, EU dispatch
Lost in transit?Replacement first
Real supportWhatsApp & email
Plain outer packaging, no product names or branding on the parcel. Questions? WhatsApp us
Secure guest checkout — pay by bank transfer.
Why does the vial look empty?
That’s normal. The peptide is supplied lyophilised (freeze-dried) — often a thin film or a few milligrams at the base of the vial, easy to mistake for empty. It’s all there; reconstitute with bacteriostatic water before use.
Research handling note
Reconstitute with bacteriostatic water and store the lyophilised vial at −20 °C until use; once reconstituted, refrigerate and use within the documented window. For laboratory research purposes only — not for human consumption, diagnostic, or therapeutic use. Need to work out your dilution? Use the reconstitution calculator →
Metabolic Research

Retatrutide — research profile

For research purposes only — not for human consumption

Retatrutide is a single-molecule triple-receptor agonist that simultaneously engages the GLP-1, GIP and glucagon receptors. It is among the most-discussed compounds in current metabolic research following large phase-2 clinical readouts.

By combining three incretin and energy-metabolism pathways in one peptide, research models examine effects on energy intake, energy expenditure and hepatic lipid handling that single- or dual-agonists do not fully reproduce.

How it’s studied

  • GLP-1 receptor: satiety signalling and glucose-dependent insulin pathways.
  • GIP receptor: insulin response and adipose-tissue handling.
  • Glucagon receptor: energy expenditure and hepatic lipid mobilisation.
  • Body composition: dose-dependent fat-mass change in clinical cohorts.

Areas under investigation

AreaReported research focus
Weight regulationDose-dependent reductions in body weight in phase-2 cohorts.
Glycaemic controlGlucose-dependent insulin-secretion pathways.
Hepatic lipidsGlucagon-linked mobilisation of liver fat.

References

  1. Jastreboff AM, et al. Triple–Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial. N Engl J Med. 2023;389(6):514–526.

Specifications

SpecificationDetail
ProductRetatrutide
FormatLyophilised vial
Fill10 mg per vial
Molecular formulaC221H342N46O68
PuritySpecified to a 99%+ purity target — per-batch documentation will be published once independent lab testing completes
Price€120.00
AvailabilityIn stock — dispatched from Ireland within 1–2 working days, tracked
Supplied forLaboratory research use only — not for human consumption, diagnostic or therapeutic use

Related research reading

Neutral reference material and handling tools from across the site. Research use only.

Research

Metabolic research peptides

GLP-1, GIP and glucagon-receptor research compounds studied in metabolic and body-composition work.
Guide

Reconstitution & storage

The general laboratory handling procedure for lyophilised research peptides: diluents, storage temperatures and shelf-life.
Tool

Reconstitution calculator

Work out the exact bacteriostatic water to add and the volume to draw for a target research concentration.
Verifiability

Batch Testing & COA

Every production batch is sent for independent, third-party analysis at Janoshik Analytical. When results return, the full Certificate of Analysis for the exact batch you receive is published here and in our COA library, carrying its SHA-256 checksum and the lot number printed on your vial, so you can confirm the document is genuine and untampered. We publish every certificate, including any that fail.

How to verify a COA and its SHA-256 checksum →