Last updated: July 31, 2026
Retatrutide For Sale (LY3437943) — All Research Strengths
Retatrutide is a synthetic triple agonist acting at the GIP, GLP-1 and glucagon receptors. Every vial we supply is verified to 99% purity by independent HPLC analysis, ships with a batch-specific Certificate of Analysis, and leaves our Jacksonville, Florida facility within 1–2 business days. Research use only — not for human or veterinary use.
Retatrutide Overview
What is Retatrutide?
Retatrutide (research code LY3437943) is an investigational peptide that activates three receptor pathways simultaneously. Semaglutide is a single GLP-1 agonist and Tirzepatide is a dual GIP/GLP-1 agonist; Retatrutide adds glucagon receptor activity, which is why laboratories studying energy expenditure and metabolic signaling treat it as a distinct research tool rather than an incremental variant.
Current Research Status (2026)
- Phase 3 clinical program ongoing (including TRIUMPH-series trials)
- Mechanism: GIP / GLP-1 / glucagon receptor activation
- Research applications: metabolic function and energy regulation studies
- Not approved by the FDA for human or veterinary use
Compare All Retatrutide Strengths (5mg – 100mg)
Prices and availability below are read from the live catalog. Each strength links straight to its selection on the product page.
| Strength | Price | SKU | Best for | Product page |
|---|---|---|---|---|
| 5 mg | $64.00 | FC2005-RETA | Triple-receptor pilots and titration work | Retatrutide 5mg → |
| 10 mg | $118.00 | FC2010-RETA | Short bench protocols and stability screening | Retatrutide 10mg → |
| 15 mg | $147.00 | FC2015-RETA | Multi-assay receptor signaling studies | Retatrutide 15mg → |
| 30 mg | $220.00 | FC2030-RETA | Stability-over-time and lyophilisate research | Retatrutide 30mg → |
| 40 mg | $250.00 | FC2040-RETA | Triple-pathway signaling models | Retatrutide 40mg → |
| 60 mg | $300.00 | FC2060-RETA | Tri-receptor activation studies, formulation work | Retatrutide 60mg → |
| 80 mg | $390.00 | FC2080-RETA | Programme-scale tri-agonist research | Retatrutide 80mg → |
| 100 mg | $479.00 | FC2100-RETA | Programme-scale research and analytical batches | Retatrutide 100mg → |
Retatrutide vs. Tirzepatide vs. Semaglutide
| Feature | Retatrutide | Tirzepatide | Semaglutide |
|---|---|---|---|
| Receptors | Triple (GIP/GLP-1/glucagon) | Dual (GIP/GLP-1) | Single (GLP-1) |
| Research code | LY3437943 | LY3298176 | NN9535 |
| Trial phase | Phase 3 | Approved | Approved |
| Typical study focus | Energy expenditure models | Dual-incretin signaling | GLP-1 signaling |
Material Specifications
- Product Name
- DRJAYS RETA™
- Form
- Lyophilized (freeze-dried) powder
- Appearance
- White to off-white powder
- Storage
- Refrigerated, 2°C – 8°C
- Container
- Sealed research vial with crimp closure
- Category
- Research peptide — triple agonist
- Receptor Targets
- GLP-1, GIP and Glucagon receptors (study context)
- Use
- Laboratory research and analytical applications only
Retatrutide Research FAQ
What is Retatrutide (LY3437943)?
Retatrutide is a synthetic peptide acting as a triple agonist at GIP, GLP-1, and glucagon receptors. Currently in Phase 3 clinical trials, it is used in laboratory research studying metabolic pathways and energy regulation. Not for human or veterinary use.
Is Retatrutide the same as Semaglutide or Tirzepatide?
No. Semaglutide is a GLP-1 receptor agonist (single). Tirzepatide is a dual GIP/GLP-1 agonist. Retatrutide adds glucagon receptor activity, making it a triple agonist with distinct research applications.
What purity is your Retatrutide?
Our Retatrutide is verified to 99% purity by HPLC analysis from independent laboratories. Each batch includes a Certificate of Analysis.
How much does Retatrutide cost?
Pricing depends on vial strength, from the 5mg vial up to the 100mg vial. Current prices and stock for every strength are shown live in the buy box on the Retatrutide product page.
Where do you ship Retatrutide from?
Orders are processed and dispatched within 1–2 business days from our Jacksonville, Florida fulfillment center. Standard domestic delivery is typically 3–7 business days after dispatch. Cold-chain packaging maintains stability during transit.
Is Retatrutide legal to buy for research?
Retatrutide is an investigational compound not approved by the FDA for human or veterinary use. It is legal to purchase for in vitro laboratory research by qualified professionals. Buyer assumes responsibility for compliance with local regulations.
Research Resources
- Retatrutide dosage chart (units & mg/mL)
- Retatrutide reconstitution guide
- Retatrutide vs tirzepatide
- Buy retatrutide — compare all 8 sizes
- Peptide reconstitution guide
- Reconstitution calculator
- Storage and handling protocols
- HPLC testing methodology explained
- Certificates of Analysis library
- Peptide Encyclopedia
All products listed are supplied strictly for in vitro laboratory research by qualified professionals. Not for human or veterinary use. We do not provide dosing guidance or therapeutic recommendations.