BIG R · GLP3 argonist
Buy Retatrutide (BIG R) — 5 MG, 10 MG and 20 MG pen
Retatrutide is a triple-receptor research peptide, listed in our shop as BIG R. You can order it as a 5 MG vial (€39.50), a 10 MG vial (€65.90) or as a fixed-dose 20 MG ready-to-use pen (€199.00).
Every batch is analysed by an independent laboratory; the HPLC purity and endotoxin report is published on our COA page.
Prices & variants
| Product | Amount | Price |
|---|---|---|
| BIG R (Retatrutide) | 5 MG | 39.50 € |
| BIG R (Retatrutide) | 10 MG | 65.90 € |
| BIG R PenReady to use, fixed dosing | 20 MG | 199.00 € |
Vial or pen?
Vials are lyophilised powder and are reconstituted with bacteriostatic water before use in the laboratory. The pen ships pre-filled with fixed unit steps, which removes the reconstitution and measuring step entirely.
Handling and storage
Store lyophilised vials cool and dark. After reconstitution keep the vial refrigerated at 2–8 °C and protected from light. Avoid repeated freeze-thaw cycles.
Delivery and payment
Shipping from within the EU: stock items within 72 hours, pre-orders in about 7–14 days. Standard €16.90, free from €300. Pay by card, SEPA transfer or crypto.
Important notice
All substances offered are research chemicals intended exclusively for laboratory and in-vitro research. Not for human consumption. Not a medicine, no health claims, no sale to persons under 18.