Orders placed before 2 PM EST ship the same business day. You'll receive a tracking email the moment your label is generated. If 24 hours have passed and you don't see a tracking number, email us with your order # and we'll dig in immediately.

Take photos of the box, the packing material, and the affected vials, then email them to support@americanpeptides.us within 48 hours of delivery. We replace damaged-in-transit items free of charge — no return required for vials with broken seals.

Every batch we ship has a third-party Certificate of Analysis on file. Visit our COA page and search by product or by the batch number printed on your vial label.

Because of the regulated nature of research peptides, all sales are final once shipped. We do replace items damaged in transit and items missing from your shipment. Read our full refund & shipping policy for the specifics.

Yes. For research labs, clinics, and verified partners we offer tiered bulk pricing. Use the form above with topic Wholesale / bulk inquiry and include your organization name and approximate monthly volume.

For compliance reasons we can't give dosing or protocol guidance. We can, however, point you to relevant peer-reviewed literature and our pre-built bundles. Select Bundle or stack recommendation in the topic dropdown above.