Solgar Vegetal Silica - 100 VegicapsSolgar Vegetal Silica contains the silica rich herb Springtime Horsetail (Equizetum Arvense) and is one of Solgars Botanical range products. Solgars Botanicals are carefully selected from plants growing in the wild or cultivated on special botanical farms. The finest, freshest botanicals are chosen based on a strict set of criteria such as the geographical origin of the raw material, the authentication of the species and the qualities of the raw