Frequently Asked Questions

Yes. Buying several of the same product lowers its price automatically at checkout: 5% off each at 3 or more, 8% off at 5 or more, and 12% off at 10 or more. Quantities of different products are counted separately, and paying by Zelle takes a further 5% off the order.

Yes. About a week after your order is completed we email you an invitation to review it. Every review earns a 10% discount code for your next order, whatever rating you give.

Lyophilized peptide should be stored at −20 °C for long-term storage, or 2–8 °C short-term. Once reconstituted, solution should be refrigerated at 2–8 °C and protected from light.

Yes, but only on orders shipped overnight, so the reconstituted solution spends as little time in transit as possible. Overnight shipping is paid by the customer. To request reconstituted vials, email support@lumenresearch.us with your order number.

Lumen Research offers a broad selection of high-purity, research-grade peptides, including standalone compounds and carefully formulated blends, alongside the laboratory supplies needed to work with them. Every product is pharmaceutical-grade and handled under strict quality controls. Each product page lists the stated purity for that compound. Our catalog is strictly intended for laboratory research use.

Bacteriostatic water and syringes, both stocked in the catalog: Hospira bacteriostatic water (30 mL) and 31G 1 mL syringes. Our reconstitution guide walks through the laboratory procedure.

Every compound in the catalog has a plain-language guide to its published research in our research library, with the studies cited.