NeuroPrime products are backed by a 100% money-back guarantee for 365 days from the original date of purchase. If you are not completely satisfied with the product, your results, or your experience within the first 365 days of purchase, simply call our toll-free number or send us an email. We will refund your full purchase price (minus shipping and handling) within 48 hours of returning the product. That’s right: simply return your product, even empty, at any time within 365 days of purchase for a full refund (minus shipping and handling), no questions asked.