Omeprazole delayed-release tablets 20 mg/acid reducer. Treats frequent heartburn! 24 hours. Three 14-day courses of treatment. May take 1 to 4 days for full effect. www.pg.com. Product of Sweden. Other information: Read the directions and warnings before use. Keep the carton. It contains important information. Store at 68-77 degrees F (20-25 degrees C) and protect from moisture.