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Retatrutide 40mg | 20-Vial Kit | 800mg Total | Triple Agonist GIP/GLP-1/Glucagon
AsiaAustraliaCanadaChinaUnited KingdomUnited StatesWeight Loss & Metabolic

Retatrutide 40mg | 20-Vial Kit | 800mg Total | Triple Agonist GIP/GLP-1/Glucagon

$750

In stock

For in vitro laboratory research only. Not for human or veterinary consumption.

4-Region Domestic Shipping Retatrutide 40mg — triple GLP-1R/GIPR/GCGR agonist, 24.2% Phase 2 weight loss. ≥99% HPLC, Janoshik COA. 20-vial kit. Research use only. Domestic shipping: UK · USA · AU · Canada 5–7 days International shipping: 7–14 days

SKU
VES-RT40-RETATRUTIDE-40MG-20VIAL
Format
0.5 lbs
Use
Laboratory research only
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What is Retatrutide 40mg?

Retatrutide is the most potent weight-reduction compound currently in clinical development — a triple GLP-1R/GIPR/GCGR agonist producing 24.2% mean body weight reduction at 48 weeks in Phase 2 trials (the highest of any pharmacological compound in human clinical research). The 40mg/vial format provides a high-dose configuration suited for intensive research protocols. GLP-1R provides appetite suppression; GIPR enhances insulin secretion and adipocyte effects; GCGR adds direct hepatic fat mobilisation, brown adipose thermogenesis, and energy expenditure independently of food intake.

Research Applications

High-Dose Triple Agonist Research

40mg/vial provides a concentrated format for research requiring sustained high-dose retatrutide exposure — extended protocols, dose-response ceiling studies.

Triple Agonist Mechanism Research

GLP-1R + GIPR + GCGR simultaneous activation — research into which receptor combination drives superior outcomes vs dual or single agonist comparators.

Obesity Pharmacology — Phase 3 Range

40mg format aligns with upper Phase 2 dosing ranges — enables translational research at clinically relevant concentrations.

Quick Specs

Product Retatrutide 40mg × 10 Vials (400mg total)
Mechanism Triple GLP-1R / GIPR / GCGR agonist
Phase 2 Data 24.2% mean weight reduction, 48 weeks
Format Lyophilised powder, 10-vial kit
Purity ≥99% HPLC, MS confirmed
Storage −20°C lyophilised; 4°C reconstituted

Certificate of Analysis (COA)

Vesta COA Report

✓ Verify on Janoshik

Frequently Asked Questions

How do I reconstitute Retatrutide?
Add 1–2mL of bacteriostatic water slowly down the side of the vial. Do not shake — gently swirl until the lyophilized powder fully dissolves. The resulting solution should be clear and colourless. Use a 1mL insulin syringe for accurate sub-milligram dosing.
How should Retatrutide be stored?
Store lyophilized vials at −20°C (freezer). Once reconstituted, store at 2–8°C (refrigerator) and use within 21–28 days. Keep away from light and repeated freeze-thaw cycles. Do not use if the solution is cloudy or contains visible particles.
What purity is Vesta Retatrutide and how is it verified?
Vesta Retatrutide is tested to ≥99% purity by analytical HPLC on every batch. Molecular identity is confirmed by mass spectrometry. A Certificate of Analysis (COA) is published on the product page and independently verifiable at verify.janoshik.com using the batch reference number.
Peptide Research Tools: Use Vesta’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
Domestic shipping: UK  ·  USA  ·  AU  ·  Canada 5–7 days
International shipping: 7–14 days
Research use only

This material is supplied strictly for in vitro laboratory research. It is not intended for human or veterinary consumption, diagnosis, treatment, or household use.