Age Verification Required

All products sold by Zentara Labs are strictly for research use only and are intended for individuals aged 18 and older. You must confirm your age to enter this site.

By entering this site you confirm you are 18 years of age or older and agree to our Terms of Service. These products are not intended to diagnose, treat, cure, or prevent any disease.

Research Grade Peptides

Precision peptides for serious research.

Zentara Labs supplies pharmaceutical-grade peptides with verified purity, third-party CoA documentation, and fast dispatch. For laboratory and research use only.

Browse Products Our Standards
≥98%
Purity Guaranteed
3rd
Party Tested
48h
Dispatch Time
Featured Peptide
Retatrutide 10mg
Triple agonist — GLP-1 / GIP / Glucagon
In Stock
98%
Purity Verified
HPLC Certified
Third-Party Tested
HPLC & Mass Spec Verified
Discreet & Fast Shipping
COA Included with Every Order
Catalogue

Research Peptides

Standards

Lab-grade quality, every batch.

Every peptide we supply undergoes rigorous third-party analytical testing. We publish full Certificates of Analysis so you can verify purity, identity, and potency before use.

HPLC Testing
High-performance liquid chromatography for purity quantification.
Mass Spectrometry
Confirms molecular identity and sequence integrity of each lot.
Sterility Checks
Endotoxin and bioburden testing on all lyophilized products.
CoA Provided
Full certificate of analysis included with every shipment.
Sample CoA — Retatrutide 10mg
ProductRetatrutide
Lot #ZL-R-2024-044
MW4859.5 Da
HPLC Purity98.7% ✓
Mass SpecConfirmed ✓
Endotoxin<1 EU/mg ✓
Storage-20°C, lyophilized
Transparent by design.
We don't just claim purity — we prove it. Every lot has a unique CoA that you can request at any time.
Questions

Frequently asked.

Need more help?
Our team is available to assist with product questions, order inquiries, and research support.
payments@zentaralabs.ca Live Chat Support Download Sample CoA

Third-Party Tested
CoA Included
Fast Shipping

For research use only. Not for human consumption. This product has not been evaluated by Health Canada or the FDA to diagnose, treat, cure, or prevent any disease or condition.

Your Cart
Your Details
Payment

Your details

We need a few details to process and ship your order.

Order Summary
Total Due$0.00
Contact Information
Order confirmation and dispatch updates sent here.
Shipping Address