Compound identity and purity confirmed for every lot — tested before it's listed.
Sealed & lyophilized
SEALED
Cold-handled and vacuum-sealed, so what you order is what arrives at your bench.
Batch traceability
TRACE
Every vial carries a lot number you can trace back to its source and report.
Traceability
Independently third-party lab tested
Every peptide batch is independently tested by qualified third-party laboratories to verify identity, purity, and consistency. Test results help support quality assurance and provide researchers with confidence in the integrity of the products they receive.
LI Labs is a Texas-based research peptide and compound supply company providing HPLC-verified, lyophilized research materials exclusively for in-vitro laboratory use. Every product ships with an independent Certificate of Analysis.
We currently ship within the continental United States. International orders are reviewed on a case-by-case basis depending on local research-material regulations. Contact us for international inquiries.
No. All LI Labs products are sold strictly for in-vitro research use only. They are not approved by the FDA for human use. By purchasing, you acknowledge that products will be used exclusively within a qualified research environment.
Email us at support@lilabs.com or use the contact form on our Contact page. Our research support team is available Monday through Friday, 9am–6pm CST, and responds to all inquiries within 24 hours.
No special license is required for purchasing research peptides in the United States. However, buyers must confirm that products will be used exclusively for legitimate research purposes in a qualified laboratory setting.
Age Verification Required
LI Labs sells research peptides exclusively to qualified researchers and laboratories for in vitro and laboratory use.
By proceeding you affirm the statements above are true. Products are not for human or veterinary use, not for use in diagnostic procedures, and have not been evaluated by the U.S. Food and Drug Administration. Full disclaimer.