Frequently asked questions

All NUPEPS Peptides products are intended strictly for in-vitro laboratory research and development. They are not drugs, supplements, cosmetics or food, and are not intended for human or animal consumption, diagnostic, or therapeutic use. By ordering, you confirm you are a qualified researcher or institution.

Every production lot is evaluated by reverse-phase HPLC for purity quantification and by mass spectrometry for identity confirmation. Certificates of analysis (COAs) are published in the COA library, so they can be reviewed before purchase.

Lyophilized peptides are best stored at -20°C in a desiccated, light-protected environment, where they remain stable for extended periods. Once reconstituted with bacteriostatic water, store refrigerated at 2–8°C and use within the window described in the product documentation.

You will need bacteriostatic water (0.9% benzyl alcohol), a sterile syringe and an appropriate laboratory workspace. We stock 3 mL and 10 mL bacteriostatic water vials under Research Supplies. Reconstitution should always be performed by trained personnel.

Orders confirmed before the daily cut-off are dispatched within 24 hours in discreet, temperature-considerate packaging. Domestic orders over $200 ship free. Tracking is provided by email once your order leaves our facility.

Because these are sensitive research materials, unopened and unaltered vials may be returned within 14 days of delivery. If a lot does not match its certificate of analysis, we will replace it or issue a full refund. Contact our research support team to begin a return.

We ship to select regions where the import of research chemicals is permitted. It is the responsibility of the researcher or institution to ensure compliance with all local, state and national regulations before ordering.

Checkout is encrypted end to end. Card details are entered on our payment processor’s PCI-compliant form and never touch our servers, and we never store card data.