60 Day Money Back Guarantee: We guarantee Zona Plus will reduce your blood pressure within 7 weeks or we will refund the purchase price less shipping and handling. This guarantee is only valid when the Zona Plus is used properly, 12 minutes a day at least 5 days a week for 7 weeks. You must return the clean and unaltered product with all product literature and components in the original packaging. Clearly write the return authorization code on the outside of the box and on the original purchase receipt or it will not be accepted. An original purchase receipt is required for any return of the Zona Plus device. Zona Health must receive the returned unit within 75 days of the date of purchase. The Zona Plus must be registered with Zona Health within 15 days of the date of purchase for this guarantee to be valid. Contact ActiveForever for return authorization and any further information.