End of year sale: 20% off every compound with a free account. Create one. Free shipping on orders over $100.

Research use only. Lyophilised peptides at 99% purity or higher, supplied to verified researchers for in-vitro laboratory study. Not for human or veterinary use.

Business credit $1,000 (+25%)

$1,000.00

99% purity or higher, verified by HPLC and MS. Certificate of analysis with every order.

Prepaid business credit for research orders. Pays 1,000 USD and receives 125,000 credit (25% bonus). 100 credit = $1 at checkout, no expiry, requires an account.

Paid in Bitcoin at checkout. Ships within 24 hours of confirmation, tracked to your door. 10-vial kits are 15% lower per vial.

How ordering works / Shipping rates

Business credit is a prepaid balance for research orders on DefinePeps. This pack costs $1,000 and adds 125,000 credit to your account once the Bitcoin payment clears, a 25% bonus. 100 credit equals $1 at checkout and applies to any order up to the subtotal. Credit never expires, is non-refundable, cannot be exchanged for cash and cannot be used to buy further credit. An account is required at checkout so the balance has somewhere to live.