Payments are processed through secure payment links. After completing payment, customers must contact us via WhatsApp and provide their order number and payment confirmation so that the payment can be verified and matched to the correct order.

All order-related correspondence, including payment confirmation, shipping updates, claims, and RMA requests, should be conducted via WhatsApp or by email at admin@researchpeptideseurope.com. Using these communication channels ensures secure handling, accurate order tracking, and efficient customer support.