Allergy Research Group Organo-Germanium Ge-132 50vcAllergy Research Group Organo Germanium Ge 132 Pure Ge 132 Germanium is a unique organogermanium compound, bis carboxyethyl germanium sesquioxide, sometimes called just germanium sesquioxide. It has unique molecular characteristics which make it virtually unreactive in the body, and its small particle size and unique structure permit it to be readily cleared in the urine as the intact molecule.