We stand behind the quality of every peptide we sell. If something isn't right, we'll make it right.
Our Quality Guarantee
100% Quality Guarantee. Every peptide ships with HPLC/MS verification and a Certificate of Analysis. If the product does not meet the stated purity specifications, we will replace it or issue a full refund — no questions asked.
Eligible Returns
We accept returns or issue refunds in the following situations:
Quality discrepancy — Product purity or identity does not match the Certificate of Analysis.
Shipping damage — Product arrived damaged, broken, or compromised due to shipping (reported within 48 hours of delivery).
Wrong product — You received a different product than what was ordered.
Missing items — Order is incomplete or items are missing from the shipment.
Non-delivery — Package confirmed lost by the carrier and not recoverable.
Non-Eligible Returns
Products that have been opened, reconstituted, or used (unless quality issue is demonstrated).
Custom synthesis orders (tailored to customer specifications).
Orders where more than 30 days have passed since delivery.
Products damaged due to improper storage or handling by the customer.
Change of mind or ordering error after shipment has been dispatched.
Return Process
To initiate a return, follow these steps:
Contact us within 7 days of delivery at info@kerisitepeptide.com with your order number and reason for return.
Provide evidence — Photos of damaged packaging, screenshots of analytical results, or other documentation supporting your claim.
Await approval — Our quality team will review your request within 2 business days.
Ship back (if required) — We will provide a return shipping label or instructions. Return shipping for quality issues is covered by us.
Refunds
Approved refunds are processed within 5–7 business days of receiving the returned product (or upon claim approval for non-return cases).
Refunds are issued to the original payment method.
Wire transfer refunds may take an additional 3–5 business days to appear in your account.
Shipping costs are refundable only when the return is due to our error (wrong product, quality issue, shipping damage).
Replacements
In many cases, we can offer a replacement shipment instead of a refund. Replacement orders are:
Shipped at no additional cost via the same or equivalent shipping method.
Prioritized in our processing queue for fastest possible dispatch.