Our Purity Guarantee

We stand behind every product. All PrimaPep peptides are HPLC-verified and guaranteed ≥98% purity. If independent third-party HPLC analysis shows results below our guaranteed standard, we will:

• 100% refund of your purchase price
• Cover your testing costs (up to the product purchase price)
• Process refunds within 7 business days

How to Claim

1. Submit the product to a qualified independent HPLC laboratory
2. Email the full test report to support@primapep.com
3. Include your order reference number
4. We will review and process your refund within 7 business days

Return Conditions

• Unopened products may be returned within 14 days of delivery
• Opened products cannot be returned due to the nature of research chemicals
• Return shipping is the customer's responsibility unless the return is due to our error

Shipping Issues

If your order arrives damaged or is lost in transit, contact us within 48 hours of delivery (or expected delivery date). We will reship or refund at no cost to you.