Silica (Silicea) gives structure to all living things throughout the plant and animal kingdoms. It is essential to the human body, it is found in lungs, intestines and blood. An aqueous compound of oxygen and silicon - silica is a natural elemental substance. It's nature's building block.Silica gives strength and support to all connective tissue, tendons and ligaments, skin, hair and nails. Silica supports the absorption of calcium in the human body. Body Essential silicea is a dietary colloidal preparation of natural silica in which microscopic particles of silica are so finely dispersed in water that a gel is formed. This makes Body Essential silicea uniquely easy to absorb. Body Essential silicea provides silica in its purest, most potent form.What makes silicea Colloidal Gel different? Other forms of silica are horsetail based in either a capsule or pill form. However, Body Essential silicea Gel, derived from quartz crystals is a dietary 'Colloidal' preparation - a solution of extre Silicea Liquid 500ml Gel.