Sodium Bentonite is extremely absorbent and adsorbent meaning it has the properties to swell and draw pollutants into its internal structure (absorb) as well at being able to attract positively charged substances (such as toxins) to its negatively charged surface (adsorb). It is these properties that make Sodium Bentonite also known as Swelling Clay such a powerful purifying substance. Moroccan Red Clay is rich in magnesium and potassium and is known for its detoxifying effects on the body because of their high levels of ion exchange.