A recognized detoxifying agent, nutrient and bactericidal "Calcium Montmorillonite Clay" is in the smectite group of clays. Only those clays within the smectite group have the ability to absorb. Its power as a detoxifying substance comes from its inherent ability to adsorb and absorb. Its unique ability to grow and change (adsorb) is the reason for its classification and recognition as a "Living Clay".