Other Information: Do not use if pouch is open. Each caplet contains: sodium 20 mg. Store at 68-77 degrees F (20-25 degrees C). Avoid high humidity and excessive heat above 104 degrees F (40 degrees C). Misc: Naproxen Sodium. (NSAID). All day strong. Strength to last 12 hours. Handy Solutions Guarantee If dissatisfied with this product, return it with a brief explanation to 5330 Fox Street, Denver, CO 80216. We'll replace it free of charge and refund your postage. You may also call 1-800-525-5097 for customer service, 9am to 4pm MST, weekdays or email us. Repackaged with permission of manufacturer. Manufactured by Bayer HealthCare LLC. Questions or comments? Call toll-free 1-800-395-0689 (Mon-Fri 9AM-5PM EST) or www.aleve.com. Assembled in USA. Made in Germany.