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