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Advanced Nutrition by ZahlerBioactive Magnesium CitrateAdvanced Magnesium SupplementGeneral HealthDietary SupplementFeel Better Everyday™Kosher PareveNon-GMOGluten FreeDairy FreeSoy FreeVegetarian FriendlyAdvanced Magnesium SupplementMagnesium is a naturally occurring mineral that helps maintain many functions in the body notably the muscles and nerves. Magnesium also increases water in the intestines thereby aiding in relieving occasional constipation.