Retatrutide Pre-Mixed Pen
Pre-mixed retatrutide pen — triple-agonist (GLP-1/GIP/Glucagon). Available in 5mg and 10mg sizes. No reconstitution needed. For research use only.
Please select a size to continue
Free shipping on orders over €150
| Channel | Monthly Cost | vs Research |
|---|---|---|
| Branded GLP-1s (avg) | €1,104/mo | 97% more |
| Telehealth (est.) | €460/mo | 93% more |
| CertaPeptides (EU) | ~€30/mo | Research grade |
Next-generation triple agonist — not yet available as a branded drug. US channel prices are estimates based on comparable GLP-1s. US prices from GoodRx, NovoCare, LillyDirect (March 2026). CertaPeptides products are research peptides sold for laboratory use only — not for human consumption. Same active compound, different regulatory context.
Estimated delivery: 2–3 weeks
Shipments are currently delayed due to ongoing logistics disruptions. We'll send you a tracking update as soon as your order ships.
Important Notice
This product is intended for laboratory and research use only. Not for human or veterinary use. By purchasing, you confirm this product will be used exclusively for in-vitro research purposes.
Pen Specifications
Total Content
5mg
Per Click
50mcg
Volume
1.5ml
Needle
31G, 5mm (sold separately)
Min Dose
0.5mg
Max Dose
4mg
Frequency
Once weekly
Triple-agonist (GLP-1/GIP/glucagon). Research protocols typically start at 0.5mg weekly, escalating by 0.5mg every 4 weeks up to 4mg.
No reconstitution needed — pre-mixed and ready to use
≥98% verified by independent HPLC analysis
Certificate of Analysis included with every order
24h dispatch, free EU shipping over €150
Independent lab verification for every batch
How to Use
Remove protective cap
Twist off the cap to expose the pen cartridge tip.
Attach 31G pen needle
Screw on a sterile 31G needle (5mm). Included with pen.
Dial research dose
Turn the dose selector to the desired number of units.
Inject subcutaneously
Insert at 90° into abdomen or thigh. Hold 10 seconds.
Remove needle & store
Withdraw, remove needle safely. Refrigerate at 2–8°C.
About Retatrutide Pre-Mixed Pen
Retatrutide Pre-Mixed Pen
Ready-to-use retatrutide triple-agonist pen in 5mg and 10mg sizes. No reconstitution required. The first triple-agonist (GLP-1, GIP, and glucagon receptor) available in convenient pen format.
Dosing Guide
| Phase | Dose | Units | Frequency |
|---|---|---|---|
| Initial (Wk 1-4) | 0.5mg | ~8 units | Once weekly |
| Titration (Wk 5-8) | 2mg | ~33 units | Once weekly |
| Maintenance | 4mg | ~67 units | Once weekly |
How to Use
- Remove pen cap
- Attach a sterile pen needle
- Dial the desired number of units
- Inject subcutaneously
- Hold 10 seconds, remove needle
- Recap and refrigerate at 2-8°C
Specification Summary
Pre-Mixed & Ready to Use
No reconstitution needed — simply attach a needle, dial your dose, and administer. Stabilized formulation for consistent results.
Pen Specifications
Total Content
5mg
1.5ml volume
Units per Pen
100
adjustable dial
Per Unit
50mcg
precise dosing
Needle
31G, 5mm
31G, 5mm (sold separately)
How to Use
Remove pen cap
Twist off the protective cap to expose the pen tip
Attach pen needle
Screw on a sterile 31G pen needle (5mm recommended)
Prime the pen
Dial 2 units and press to expel air bubbles (first use only)
Dial your dose
Turn the dose dial to the desired number of units
Inject subcutaneously
Insert into abdomen or front thigh at 90° angle
Hold & remove
Hold for 10 seconds, then withdraw. Recap and refrigerate
Storage & Handling
Store at 2–8°C (refrigerator). Keep away from direct light. Pre-mixed pens maintain stability for the duration indicated on the label when properly refrigerated.
Research Use Only. This product is intended for laboratory research use only. Not for human consumption. Handle in accordance with institutional biosafety guidelines.
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