Refund and Returns Policy

All Sales Final Policy

Due to the sensitive and perishable nature of research materials:

• All sales are final
• Returns are accepted only for verified manufacturing defects
• Shipping damage must be reported within 48 hours
• Opened or punctured vials are not eligible for return

Replacement or refund decisions are at the sole discretion of Penguin Peptides LLC.

Shipping fees are non-refundable.

Improper storage voids all claims.