Why United Peptides

A peptide vial tells you almost nothing by looking at it. White powder, a crimp seal, a label. What separates one from another is the record behind the lot number, and that record is the whole reason United Peptides exists.

The lot number is the product

Every vial we ship carries a lot number, and every lot number opens a file: the HPLC purity result, the mass-spectrometry identity confirmation, the release date, and the Certificate of Analysis that summarizes them. Type the number into the lookup on any page and the file comes up. No login, no request form, no waiting on a reply. If the file is not there, the lot did not ship.

Two numbers we do not grade ourselves

Purity and identity are the only two questions that matter for a research compound, so they are the two we hand to an outside laboratory. The lab runs the chromatography and the mass spectrum, the lab writes the number, and we publish it as written. A lot that comes back under 99% purity, or with a molecular weight that does not match the reference, is not sold at a discount and not sold under a different name. It is not sold.

What the standard covers

• Every compound, the same panel. The retatrutide we ship the most and the bioregulator we ship the least go through the identical release steps.
• Sealed at fill. Lyophilized in glass, capped and crimped, stored cold and dry until it leaves.
• Labeled honestly. The name on the vial is the compound in the vial. No coded spellings, no nicknames standing in for a sequence.
• Documented before you pay. The Certificate of Analysis is available before checkout, not after a support ticket.

Made and shipped in the United States

Synthesis, testing, storage and fulfillment all happen domestically. Orders leave in plain packaging with no product names on the outside and arrive with the paperwork that matches the lot inside.

Who this is for, and who it is not

United Peptides supplies laboratories and qualified researchers. Everything on this site is for laboratory research use only. Our products are not for human or animal use, are not drugs, supplements or cosmetics, and are not intended to diagnose, treat, cure or prevent any condition. We do not publish dosing and we do not give medical advice. If you are looking for either, we are not your supplier, and we would rather say so here than after an order.

A person answers

Need the certificate for a lot you are holding, a quote at volume, or help choosing a vial size for a protocol? Write to support@unitedpeptides.us. Replies come from a person, on business days, usually the same day.