If tartar build-up is left untreated it can result in bad breath, gum disease, tooth decay and premature tooth loss. Tartar that is allowed to remain for too long can also cause infections that can spread throughout the body and damage the heart, lung and liver and negatively affect kidney functions. ProDen PlaqueOff® Powder provides an easy complement to ordinary oral hygiene The active ingredient is a specially selected algae, Ascophyllum nodosum, harvested along the North Atlantic coast. The 100% all natural product, ProDen PlaqueOff® Powder is free from additives and artificial preservatives and contains no gluten or added sugar.