We provide a full refund within 30 days if your NuggMD physician has not yet issued your certification. Please send an email to support@nuggmd.com with the subject line "Refund Request" and a brief description of your issue. We want to make sure you are 100% satisfied with your purchase being that you, the customer, are the most important thing to us! Once a refund has been initiated, please allow for 3-5 business days for the funds to transfer back to the card you used for the transaction. If any issues arise, please feel free to reach back out for further assistance.