≥99% PUREUS peptide supplier
Peptide Research SupplierResearch peptides, documented by lot
Peptide Lounge is a research peptide supplier serving laboratories, universities and independent research groups. Every compound in our catalog of 43 research peptides ships in a sealed, lot-numbered vial with the analytical report for that lot available on request.
Third-party tested
Verified on every product
USA laboratory
Synthesised & QC'd domestically
Discreet tracked shipping
Notified by email when tracking is ready
SSL secure checkout
256-bit encrypted transport
Why researchers choose this peptide supplier
Peptide research depends on knowing what is in the vial. These are the four things we hold ourselves to on every order, and the four things worth asking any supplier before you buy.
Lot-matched documentation
Each vial is labelled with its lot number and the laboratory report issued for that lot is available on request — not a generic sample certificate.
Identity and purity testing
Material is checked for identity, purity and net peptide content before it is released for shipment.
Domestic fulfilment
Orders ship from the United States with tracking emailed the moment the parcel is scanned.
Research-only supply
We supply laboratory reagents. We publish no dosing guidance and decline orders described as intended for human or veterinary use.
Peptide research supply, end to end
Peptide research work fails for boring reasons: material that is not what the label says, a certificate that cannot be traced to the lot in front of you, or a vial that spent a week in a warehouse at the wrong temperature. A supplier's job is to remove those variables so the only thing your results reflect is the experiment.
We keep the catalog narrow on purpose. Rather than list hundreds of compounds we cannot document, we stock 43 research peptides plus bacteriostatic water for reconstitution, so a single order covers the bench.
Ordering as a laboratory or group
Bulk pricing starts at five vials, and mix-and-match tiers let a group combine compounds into one discounted order. If you need documentation reviewed before purchasing, or a quote for a larger standing order, contact us and we will send what the laboratory issued for the lot in stock.
Common questions
What is a peptide supplier?
A peptide supplier sources, tests and distributes synthesised peptides to laboratories and research groups. Peptide Lounge supplies research peptides in sealed vials with lot numbers, and provides the analytical report issued for the lot on request.
How do I choose a research peptide supplier?
Compare documentation before price. Ask whether the supplier can produce a certificate of analysis matched to the exact lot number on the vial, what identity and purity methods were used, where synthesis took place, and how the material is stored and shipped.
Do orders include a certificate of analysis?
Yes. Each vial carries a lot number, and the laboratory report issued for that lot is available on request before or after purchase.
How fast does Peptide Lounge ship?
Orders are prepared and shipped from the United States. You receive tracking by email as soon as the parcel is scanned; we do not publish estimated delivery dates we cannot guarantee.
More detail in our full FAQ and testing process.
For Research Use Only
All products listed are supplied strictly as laboratory reagents for in-vitro research and analytical work conducted by qualified professionals. They are not drugs, foods, cosmetics or medical devices, and must not be administered to humans or animals. No product on this site is approved by the FDA for human use.