Esomeprazole magnesium. Delayed-release capsules USP 20 mg (Each delayed-release capsule corresponds to 21.75 mg esomeprazole magnesium dihydrate USP). Treats frequent heartburn! May take 1 to 4 days for full effect. One 14-day course of treatment. Questions or comments? Call 1 877 99 Genom (43666) (Monday - Friday 8:30 am to 5:00 pm EST). Made in India. 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).