In Each Caplet: Other Information: Each caplet contains: sodium 21 mg. Store at 20 - 25 degrees C (68 - 77 degrees F). Avoid high humidity and excessive heat above 40 degrees C (104 degrees F). See new warnings. Keep carton for reference. Gluten free. Naproxen sodium tablets, 220 mg each. Pain reliever. Fever reducer (NSAID). Compare to Aleve active ingredients (This product is not manufactured or distributed by Bayer HealthCare LLC, distributor of Aleve). Strength to last 12 hours. Our pharmacist recommend. Quality Guaranteed: This TopCare product is laboratory tested to guarantee its highest quality. Your total satisfaction is guaranteed. www.topcarebrand.com. Questions? 1-888-423-0139.