Advancing Research Through Purity
Welcome to Great Lakes Peptide Co. We are a Canadian supplier of high-purity research peptides, serving academic institutions, laboratories, and independent researchers across the country.
Uncompromising Quality & Testing
Every batch we stock is verified by independent third-party testing, including High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS), confirming purity levels of 99% or higher. We publish a Certificate of Analysis for every product so you always know exactly what you’re working with.
Our Mission
Precise research depends on precise materials. Whether you’re running cellular studies, biochemical analysis, or early-stage development testing, the integrity of your results depends on the integrity of your reagents. We handle sourcing and quality control so you can focus on the research itself.
Why Researchers Choose Us
- Canadian-based: Shipped exclusively from within Canada, so orders never sit at the border.
- Fast turnaround: Orders are processed quickly to keep your research timeline on track.
- Discreet packaging: Plain, unbranded packaging with no indication of contents.
- Responsive support: A support team that understands the research community and responds quickly.
Our Commitment
We believe scientific progress depends on trustworthy suppliers. From ordering through delivery, we aim to be transparent, reliable, and easy to work with — every time.
For Research Use Only. Not for human or veterinary use. Read our Statement of Risk.