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Answers to common questions about our research peptides – testing, certificates of analysis, reconstitution, UK shipping, and payments. All products are sold for research use only.
Peptides are short chains of amino acids – the same building blocks as proteins, but smaller. Research peptides are reference-grade synthetic versions used in laboratory studies, in-vitro work, and structural research. Kovalabs supplies them strictly for research and analytical purposes.
No. Every product on this site is sold for laboratory research only and must not be used in humans or animals. Our peptides are not pharmaceuticals, supplements, food, or cosmetics, and we do not sell to anyone purchasing them for personal use.
Yes – purchasing research-grade peptides for legitimate laboratory work is lawful in the UK. Some specific peptides are regulated under separate legislation, so we restrict our catalogue to compounds that can be supplied for research without controlled-substance scheduling. If you have questions about a specific product, contact us before ordering.
Research peptides are not products for general retail sale, and our age gate exists for two reasons: to make clear that this is a regulated category, and to filter out anyone arriving at the site without legitimate research intent. Confirming you’re 18 and accepting our research-use terms takes one click and is recorded for compliance. If you can’t agree to those terms, this isn’t the right shop.
It means our peptides are supplied as laboratory reagents – for in-vitro research, analytical reference standards, and structural studies. They are not authorised for use in humans or animals, are not therapies, and are not sold for personal experimentation. Our research disclaimer covers this in full.
Our peptides are synthesised by GMP-accredited European laboratories using standard solid-phase peptide synthesis, then independently tested before being released for sale. We don’t disclose specific manufacturer relationships publicly, but every batch is traceable internally and on the certificate of analysis.
Yes. Every batch is supplied with a third-party CoA showing identity, purity, and any contaminants tested for. CoAs are published on each product page and collated on our certificates page so they’re easy to find before and after purchase.
HPLC (high-performance liquid chromatography) separates and measures the components in a sample, allowing the lab to quantify peptide purity. Our testing is done by ILS Laboratories, an independent ISO 17025 accredited lab in San Diego, not in-house. Purity is measured by RP-HPLC and identity is confirmed by HPLC-RTM, matching retention time against a reference standard. Every CoA we publish has a minimum 99% purity threshold and prints the chromatogram the figure was read from.
Purity is the percentage of the target peptide in the final powder, with the remainder being trace synthesis by-products. Yield refers to how much usable peptide came out of the synthesis run as a fraction of theoretical maximum, and is a manufacturing metric – not a quality measure. Researchers care about purity; manufacturers care about both.
Some of our peptides include mannitol as a bulking agent in the lyophilised vial. Mannitol stabilises very small peptide quantities (a few milligrams of peptide doesn’t form a visible cake on its own) and dissolves cleanly during reconstitution. The CoA states whether mannitol is present and at what ratio.
Endotoxin testing isn’t a standard part of every research-peptide CoA, because peptides intended for in-vitro work don’t typically require it. If you need an endotoxin-tested product for a specific research workflow, contact us before ordering – we can confirm whether the batch you’re looking at has been LPS-screened.
Every certificate we publish is the lab’s own document, issued to Kovalabs by name, and carries a COA number and an access code printed on the report. That code verifies with ILS Laboratories directly at ils-lab.com, so authenticity does not depend on us. Each certificate also prints the HPLC chromatogram the purity figure was read from, and the lot number on the report matches the batch number on the vial label. Browse the full archive on our certificates page, or scan the QR code on any vial.
KYRO supplies research-grade peptides for laboratory and in-vitro studies only. They are not medicines, hold no UK marketing authorisation, and are not presented to diagnose, treat, cure, prevent, or mitigate any condition. We do not provide therapeutic, dosing, or medical advice. By placing an order you confirm you are 18+ and acting as a qualified person in a research capacity.
Independent UK supplier of high-purity research peptides. Every batch HPLC-tested, cold-chain stored, and dispatched same-day from our Greater London facility.
© 2026 Kyrolabs Group Ltd.
