reducer pharmacist on real connections kirkland son compare to prilosec otcⓡ** see current drug facts costco susana omeprazole delayed release tablets 20 mg alfa sie treats frequent heartburn! three 14-day courses of treatment may take 1 to 4 days for full effect helping others—that's why i studied pharmacy and that's why i became a pharmacist kirkland signature products are subject to the manufacturing standards mandated statements pertain to kirkland signature over-the-counter medicines only