Solgar Oceanic Silica 25mg contains the essential mineral Silica, derived from the natural source red algae. Silica is a mineral naturally occurring in the earth\'s crust and the second most available mineral in the world. Solgar Oceanic Silica 25mg provides 25mg Elemental Silicon from powdered red algae, which is an oceanic source of trace minerals. Red algae is a type of seaweed which can be found in salt water. Solgar Oceanic Silica 25mg, taken as 1 - 2 vegetable capsules a day, provides you with a potent dose of this essential mineral. All Solgar products meet our industry recognized \"Gold Standard\" for excellence. Made using naturally sourced ingredients and innovating since 1947, Solgar is your perfect supplement to good health - 98% of Solgar consumers recommend the brand