The gallbladder concentrates and stores bile as a pear-shaped sac which it can release to help digestion after a fatty meal.
Chelation is a process of wrapping or binding minerals or metal ions to an amino acid. The metal ion is bound to two or more atoms of the chelate, also known as a sequestering agent.
Chelation is used in the manufacture of antibiotic drugs. Chelation therapy is useful in the removal of poisonous metals such as arsenic and mercury from the body.