Cognistrong comes with a 100% refund guarantee-60 full days of your original purchase. If you are not fully and completely satisfied with our product or your results in the first 60 days, simply let us know by calling our toll-free number or sending usus an email, and we will gladly give you a full refund within 48 hours after the product is returned. That’s right, just return the product, even your empty bottles, at any time within 60 days of your purchase, and you will receive a full refund and no questions asked (less shipping and handling fees).