ZenCortex comes with a 100% money-back guarantee – a full 60 days from your original purchase. If you are not completely and completely satisfied with our product or its results within the first 60 days, simply let us know by calling our toll-free number or sending us an email and we will be happy to give you a full refund within 48 hours of receipt. return of the product. That’s right – simply return the product, even your empty bottles, at any time within 60 days of your purchase and you’ll receive a full, no-questions-asked refund (minus shipping and handling fees).