Built by people who got tired of unreliable peptide sourcing
Longevra exists because the research-peptide market is full of vague purity claims and COAs that do not hold up to scrutiny. We built our sourcing and QA process around one standard: every batch should be able to withstand independent verification, not just our own paperwork.
That means HPLC and mass-spec testing on every batch, GMP-compliant manufacturing, and a Certificate of Analysis that ships with every order, not on request. If a batch does not meet spec, it does not ship.
Purity and identity are verified before a batch is approved for sale, not after a complaint.
COAs, testing methodology, and sourcing are available to every customer, not just the ones who ask.
Bulk pricing, fast COA lookup, and support that understands what you are actually testing for.
What backs every order
- Certificate of Analysis — every order. Ships with every order, not on request. Purity, identity, and QC data included.
- Independent verification. Purity and identity confirmed by an independent third-party lab, not just our own paperwork.
- Batch traceability. Every lot is tracked. Our support team can reference your specific batch data on request.
- Shipping-error protection. Report a shipping error within 7 days of receipt and we will make it right.
Our standards
- 99%+ purity confirmed via HPLC and mass spectrometry
- Endotoxin screening — verified absence of bacterial contamination
- Independent 3rd-party lab verification of identity & purity
- Lot-specific batch tracking for full traceability & transparency
- ISO-certified, GMP-compliant manufacturing facilities
- Controlled temperature handling from synthesis through final delivery
Questions about a specific batch, our testing methodology, or bulk pricing? Contact our research support team.
All products sold by Longevra Research are strictly for laboratory and scientific research purposes only. Not intended for human or veterinary use.