In Each Tablet Other Information: Each tablet contains: 21 mg sodium. Store at 20-25 degrees C (68-77 degrees F). Avoid high humidity and excessive heat above 40 degrees C (104 degrees F). 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 lasts 12 hours. Our pharmacists recommend. Quality guaranteed. www.topcarebrand.com.