CP-2025-1358
≥98% Purity
Pen Research KitsPen Research Kit
Retatrutide Pen Research Kit
How to Use
1
Remove protective cap
Twist off the cap to expose the pen cartridge tip.
2
Attach 31G pen needle
Screw on a sterile 31G needle (5mm). Included with pen.
3
Dial research dose
Turn the dose selector to the desired number of units.
4
Inject subcutaneously
Insert at 90° into abdomen or thigh. Hold 10 seconds.
5
Remove needle & store
Updated: 2025-03-01
About Retatrutide Pen Research Kit
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
⚠️ Research Use Only. Not for human consumption.
Specification Summary
Purity≥ 98%
FormLyophilized Powder
Storage-20\u00B0C
Complete Pen Research Kit
Everything you need in one box — peptide vial, injection pen, bacteriostatic water, and a step-by-step research guide.
What's in the Kit
Peptide Vial
Lyophilized research-grade peptide with HPLC-verified ≥98% purity. COA included.
Injection Pen
Reusable adjustable-dose pen device with precise unit dial. Compatible with standard pen needles.
Bacteriostatic Water
3mL sterile BAC water for reconstitution. 0.9% benzyl alcohol preserved.
Research Guide
Step-by-step reconstitution and dosing protocol card. Also available at certapeptides.com/calculator.
Kit Specifications
Peptide Content
5mg
lyophilized powder
Pen Capacity
100 units
adjustable dial
Per Unit
50mcg
precise dosing
BAC Water
3mL
included in kit
How to Prepare & Use
1
Reconstitute the peptide
Add BAC water to the lyophilized vial. Swirl gently — never shake.
2
Load the pen
Draw reconstituted solution into the pen cartridge using the included syringe.
3
Attach pen needle
Screw on a sterile 31G pen needle (compatible needles sold separately or included).
4
Prime the pen
Dial 2 units and press to expel air bubbles (first use only).
5
Dial your dose
Turn the dose dial to the desired number of units per your research protocol.
6
Administer & store
Use subcutaneously per protocol. Recap and refrigerate between uses.
Storage & Handling
Store lyophilized peptide vial at -20°C (freezer). Stable for 24+ months. BAC water and pen can be stored at room temperature.
Research Use Only. This kit is intended for laboratory research use only. Not for human consumption. Handle in accordance with institutional biosafety guidelines.
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≥98% HPLC Purity
COA Included
5-Point Testing
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