Since 1947Provides Elemental SiliconSilicon May Support Bone HealthNon-GMOGluten, Wheat & Dairy FreeSuitable for VegansKosher ParveDietary SupplementSilica obtained from marine-derived Red Algae Powder (Lithothamnion corallioides) is a source of the natural trace element silicon. Silicon is found in many unrefined grains and in some seafood sources, including mussels. Silicon intake has been positively associated with bone health.