10mg
20mg
40mg
Retatrutide — Prefilled Research Pen
Pharmaceutical-grade Retatrutide in a prefilled, click-dial FlexiPen. No reconstitution, no separate syringe — just precise dosing for laboratory research, cold-chain shipped and independently tested every batch.
Select StrengthClick-Dial Dose Calculator
Use the digital counter to see exactly how clicks translate to mg — same 6-click minimum, 75-click maximum as the physical pen.
Meridex Health Retatrutide arrives pharmaceutical-grade and pre-dialed — no vials, no reconstitution, no margin for error. Every pen is formulated to the same standard across all three strengths, cold-chain shipped to preserve stability, and independently tested batch by batch.
- 99% Purity Guaranteed
- Independently Lab Tested
- Research-Grade Quality
- For Laboratory Research Use Only
Retatrutide is studied in preclinical and clinical research as a triple agonist targeting GLP-1, GIP, and glucagon receptors. Meridex Health supplies it strictly for laboratory research purposes — it is not intended for human or animal consumption, diagnostic use, or therapeutic use. Researchers should consult primary literature for compound-specific protocols relevant to their institution's IRB/IACUC requirements.
10mg
20mg
40mg
Every pen is cold-chain shipped. Once received, store refrigerated between 2-8°C and avoid direct sunlight or freezing.
Yes — every batch is independently third-party tested for purity, with the COA published for that lot.
We accept major cards and select cryptocurrency payments. See the How To Pay page for step-by-step instructions on either method.
Contact support within 48 hours with photos of the packaging and pen. We'll assess it right away and arrange a replacement if it's eligible.
Yes. International orders over $350 ship free; smaller orders have standard rates calculated at checkout. See our Shipping Policy for full details.
Unopened pens are eligible for return within 30 days of delivery. Full details are on our Refund & Return Policy page.