Silicea One A Day capsules may help to give strength and support to Skin, Hair and Nails, connective tissue, tendons and ligaments. This special dietary silica supplement contains the same dose as our silicea gel (420mg Silicon Dioxide) in a single capsule. It is 100% natural and preservative free. It contains the same benefits of pure mineral Silica in a high concentration of minute particles in a handy single capsule form. It may also help to maintain strong bones and teeth and promote the production of elastin and collagen in the skin. Silica supports the assimilation of Calcium into bones. Due to its colloidal, micro-dispersed structure, the Silica contained in these capsules is absorbed efficiently by the human body.