Research starts here.
Lab-tested research peptides, shipped from the USA. Every batch comes with a public certificate of analysis. Orders placed before the cutoff ship the same day, with 2-day delivery.
Free 2-day shipping on orders over $250 · Same-day fulfillment · Nebraska, USA
Why laboratories order from Peptira.
Peptira supplies research-grade peptides and reference materials to laboratories across the United States, with the documentation to prove what is in the vial.
Documented purity
Every batch is tested by HPLC and mass spectrometry at an independent laboratory. The certificate of analysis is published by batch number in a public library, searchable before and after an order.
Browse the COA library →Shipped from the USA
Every order is packed and shipped from the Nebraska fulfillment center. Orders are fulfilled the same day they are placed and travel with cold-chain packaging where the format calls for it.
A supplier that answers
A US-based support team responds to order, documentation and shipping questions every weekday. Order tracking, batch records and account history live in one place.
Same-day fulfillment.
2-day shipping.
On all orders.
Ordering takes about two minutes.
Peptira supplies verified research accounts. The catalog, pricing and batch records open after a short sign-in.
Create a research account
A name, an email and a password. Verification is instant for most accounts.
Choose a format and quantity
Singles or multi-packs, with the certificate of analysis linked on every product page.
Ships the same day
Orders placed before the daily cutoff leave the Nebraska facility the same day. 2-day delivery, free over $250.
Questions, answered.
Who can order from Peptira?
Peptira supplies laboratories, research organizations and individual researchers in the United States. Every product is sold strictly for laboratory research use. A research account is required to view pricing and place an order.
How is purity verified?
Each production batch is sent to an independent laboratory for HPLC and mass-spectrometry analysis. The resulting certificate of analysis is published in the Peptira COA library under its batch number, so any vial can be traced to its test results.
How fast do orders ship?
Orders placed before the daily cutoff are fulfilled the same day from Nebraska. Delivery is 2-day nationwide, and shipping is free on orders over $250.
Which payment methods are accepted?
Major credit and debit cards, Apple Pay, Google Pay and pay-by-bank. Store credit and partner codes apply at checkout.
Documented. Domestic. Delivered in two days.
Join 86,000 research customers who order from Peptira.
Shop now at peptira.com