About Tested Peptides
Engineered with Precision
Tested Peptides was founded on the conviction that researchers deserve access to the highest-quality peptide compounds — verified, compliant, and reliably supplied. Based in UK, we serve independent researchers and institutional laboratories across the United States.
Our Mission
Advancing Research
Without Compromise
"Engineered with precision — not just a tagline, but a commitment to every researcher who depends on our compounds for the integrity of their work."
Tested Peptides — Founding Principle
Tested Peptides exists to bridge the gap between cutting-edge peptide science and the researchers who need reliable access to it. We believe the quality of your research tools directly determines the quality of your results.
Every compound in our catalog undergoes independent third-party testing before release. Every Certificate of Analysis is verifiable. Every shipment is handled with the same care we would expect for our own research.
our values
What We Stand For
Uncompromising Quality
No compound ships without a passing COA. We maintain a ≥99% purity threshold and reject any batch that falls short — regardless of cost or timing implications.
Compliance First
Scientific Integrity
Researcher Partnership
Built for Researchers Who Expect More
Every compound in our catalog undergoes independent third-party HPLC and LC-MS analysis before release. Our sourcing criteria require GMP-compliant manufacturing and traceable batch documentation. We supply peptide compounds exclusively for in vitro research purposes, and our product descriptions reference published preclinical literature only — no therapeutic claims are made.
