We are sorry to hear about your experience with the Member's Mark Omeprazole Delayed Release Tablets product. We take customer service concerns very seriously and are committed to providing our customers with high quality products. We strongly encourage you to contact our Contact Center Team at 1-800-719-9260 or via email by going to www.perrigo.com/contact-us and reference case number 2076352. We look forward to addressing your concerns and hearing from you!