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Pharmaceutical-grade peptides & lab-use compounds available online.

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Ready-to-Use Injection Pen

This product is intended solely for use as a research chemical in vitro and laboratory experimentation by licensed, qualified professionals.

Ready-to-Use Injection Pen : Retatrutide/Tirzepatide/Weight loss

$82.00 ~ $257.00

A convenient, sterile pre-filled injection pen pre-loaded with dissolved Retatrutide/Tirzepatide, enabling precise, hassle-free self-injection instantly without the need for reconstitution or extra tools.

Product Without Label Price With Label Price
Tirzepatide 30mg $82.00 $102.00
Tirzepatide 60mg $120.00 $140.00
Retatrutide 40mg $114.00 $134.00
Retatrutide 40mg $166.00 $186.00
Retatrutide+mz 60mg $237.00 $257.00
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No reconstitution required: Pre-filled with a dissolved, high-purity Retatrutide/Tirzepatide formulation, eliminating the need to mix solvents or stir for dissolution. Completely bypasses cumbersome steps like “dissolving-shaking-transferring,” making it easy for beginners to use.
Always Ready, Anywhere: No extra solvents or tools needed for business trips, travel, or commutes. Fits in pockets or bags—simply retrieve and inject when needed, breaking time and location constraints.
Time Savings: Traditional dissolving products require 10-15 minutes for preparation and dissolution. This pen delivers medication in one step, saving daily time and making long-term adherence easier.
Precise, error-free dosing: Pre-filled design with calibrated pen markings ensures each dose is strictly calibrated, eliminating risks of under- or over-dosage from improper mixing ratios or estimation errors during self-dissolution.
Sterile Sealing, Zero Contamination: Produced under sterile conditions with sealed packaging, the dissolved solution remains isolated from external exposure. This eliminates risks associated with container contamination or impure solvents during self-preparation, reducing infection hazards—ideal for long-term self-administration.
Low Barrier to Use, Reduced Errors: Requires no specialized pharmaceutical knowledge. Simply follow the instructions to complete the three steps: “Remove cap – Position – Inject.” This avoids potential medication waste and operational errors (such as incomplete dissolution) that may occur during traditional dissolution processes.

All product is sold solely for scientific research purposes. Researchers are responsible for ensuring compliance with local regulations and institutional guidelines. Keep out of reach of children and unauthorized personnel.

Your Reliable Source for High-Quality Research Peptides

1688pharmacy is more than just a trusted supplier of research peptides. We are committed to scientific advancement, dedicated to providing the highest quality pharmaceutical-grade compounds that empower researchers and clients to achieve their goals.

Unparalleled Quality

Our proprietary processes and meticulous sourcing of premium materials ensure that every peptide we offer meets the most stringent pharmaceutical standards with verified 99% purity.

Independently Verified

Every peptide undergoes rigorous third-party laboratory testing using advanced techniques like HPLC, LC-MS, and NMR. Complete Certificates of Analysis available for transparency and verification.

Fast Shipping & Support

We provide expedited worldwide shipping with reliable tracking and discreet packaging. Our dedicated customer support team assists with orders, storage guidelines, and product inquiries promptly.