Other Information: Magnesium Content: 10 mg/pill, Calcium Content: 10 mg/pill. Contents Sealed: Each Diurex blue colored, round shaped pills bears the identifying mark ALVA and is sealed in a clear plastic blister with a foil backing. Do not use if seal appears broken or if product contents do not match product description. You may report serious side effects to the phone number provided under Questions? below. Misc: America's No. 1 brand OTC diuretic (based on independent syndicated market research data). No. 1 Diuretic Brand (based on independent syndicated market research data) for bloat relief. Prompt & effective bloat relief. The gentle diuretic. Magnesium salicylate (NSAID)/caffeine. Effective Relief of Periodic: bloat & puffiness; water weight gain; swelling; fatigue. Questions? 1-800-792-2582. www.Diurex.com. Gluten free.