A: Every product page includes a downloadable Certificate of Analysis linked to its specific lot number. You can also email our COA team directly with your order number for a copy.

A: Every batch is tested using HPLC (High-Performance Liquid Chromatography) and mass spectrometry to confirm identity and purity before release. Results are documented on the corresponding Certificate of Analysis.

A: Lyophilized peptides should be stored in a freezer at or below the temperature indicated on the product label and protected from light and moisture until reconstitution for laboratory use.

A: We currently ship to a range of domestic and international destinations, subject to local import regulations. Some regions may have restrictions on research peptide imports, so customers are responsible for confirming compliance with their local laws.

A: Orders requiring cold-chain handling are packed with insulated materials and temperature-control packs to maintain stability during transit.

A: Yes. Research accounts can be configured for streamlined reordering, saved COA archives, and simplified invoicing for ongoing lab needs.

A: Yes. Universities, private labs, and research organizations can request institutional pricing for larger or recurring orders through our accounts team.

A: Any discrepancy between a received product and its documented Certificate of Analysis is treated as a priority issue. Customers should retain the original packaging and contact us promptly so the batch can be reviewed.

A: Every lot number issued by Growth Research Peptide corresponds to a unique Certificate of Analysis on file. If a lot number doesn’t return a matching COA, contact our team immediately for verification.