Reta Peptide , Research Grade Triple Agonist (GIP / GLP-1 / Glucagon), ≥99% HPLC Purity
Reta (also searched as reta peptide, RETA peptide, or is an investigational reta research peptide studied as a triple receptor agonist targeting GIP, GLP-1, and Glucagon (GCG) receptors. In research contexts, this multi-receptor profile supports controlled studies of complex metabolic signaling interactions in laboratory models.
Available Strengths
Common searches include reta 10mg, reta 20mg, and reta 30mg (research context). Choose the strength that matches your protocol and documentation requirements.
Product Details
- Weight: 0.02 lbs
- Dimensions: 1.5 × 2.75 × 1 in
- Strengths: 10 mg / 15 mg / 20 mg / 30 mg
Shipping
Shipping Destination: USA only.
- Economy Shipping: $9.99 — estimated delivery 5–8 business days
- Standard Shipping: $18.99 — estimated delivery 3–4 business days

What Is Reta?
A frequent query is “what is reta”. Reta is a synthetic peptide developed for research on receptor signaling involving GIP, GLP-1, and glucagon pathways. For a deeper overview (research context), see: Reta Peptide: Structure, Classification & Research Overview.
Reta Mechanism of Action (Research Context)
In controlled research settings, reta mechanism of action refers to its studied activity as a triple receptor agonist that activates GLP-1, GIP, and GCG receptors. For a related classification guide, see: Is Reta a Steroid? Structural Classification & Mechanism of Action.
Reta vs Tirz (Research Comparison)
Reta vs tirz is a common comparison. In research terms, reta is studied as a triple agonist (GIP / GLP-1 / GCG), while tirzepatide is commonly referenced as a dual agonist (GIP / GLP-1). Read the full comparison here: Reta vs Tirz — Key Research Differences.
Product Specifications
| Product Name | Reta (Research Grade) |
|---|---|
| Label / Common | RETA / LY3437943 |
| CAS Number | 2381089-83-2 |
| Molecular Formula | C221H342N46O68 |
| Molecular Weight | ~4731 g/mol |
| Target Receptors | GIP / GLP-1 / Glucagon (GCG) |
| Purity | ≥99% (HPLC verified; per lot CoA) |
| Form | Lyophilized White Powder |
| Endotoxin Level | < 1.0 EU/mg (where stated on lot documentation) |
Quality Control & Documentation (CoA)
Each batch includes a Certificate of Analysis (CoA) with lot/batch traceability. Purity is verified by HPLC and reported on the CoA to support reproducibility in research workflows. For sourcing guidance in a research context, see: Where to Buy Reta for Research Purposes.
Storage & Handling (Research Context)
- Lyophilized storage: Store at −20°C (or as stated on label/CoA)
- Solutions: Use appropriate laboratory solvents/buffers and follow your lab SOP
- Avoid: repeated freeze–thaw cycles and unnecessary exposure to heat/light
Frequently Asked Questions (FAQ)
What is reta peptide?
Reta peptide is an investigational synthetic peptide studied for multi-receptor signaling in controlled research models. It is also referenced as RETA or LY3437943.
What is LY3437943?
LY3437943 is a commonly used identifier for reta in research and scientific literature.
Is retaFDA approved?
No. Reta is not FDA approved and is supplied strictly as a research-use-only (RUO) compound.
Is reta a peptide or a steroid?
Retat is a synthetic peptide and not a steroid.
What receptors does reta target?
In research contexts, reta is studied as a triple agonist targeting GIP, GLP-1, and GCG (glucagon) receptors.
Reta vs tirz — what’s the difference?
Reta is studied as a triple agonist (GIP / GLP-1 / GCG), while tirz is commonly referenced as a dual agonist (GIP / GLP-1) in research literature.
How is reta purity verified?
Purity is verified by HPLC and documented on the lot-specific CoA.