If for any reason you are not satisfied with any Zegerid OTC^® product, send images of your original receipt, physical UPC code, and unused portion of product within 60 days of purchase for a refund via digital Visa prepaid card. We are not responsible for lost, late, or undelivered submissions. Allow up to 14 days for refund. Call our customer service at 1-888-493-4682 to verify your eligibility and for full details for how to mail in your request.

Please note, the Guarantee is not available for products purchased from unauthorized sellers, because we are not able to control the quality of such products. Please contact us at the phone number above for a list of authorized sellers. We reserve the right, in our sole discretion, to amend this policy at any time without advance notice, and to deny any refund request if we determine that a refund is prohibited by law or a customer has engaged in fraud or is abusing the guarantee.