DESC: Pure Ge-132 Organic Germanium is a unique organogermanium compound, bis-carboxyethyl germanium sesquioxide, sometimes called just germanium sesquioxide. The body may use germanium as a cellular oxygenator.* This nutrient is of the highest quality and purity obtainable, free of all common allergens (antigens), and does not contain preservatives, diluents, or artificial additives. Keep in a cool, dry place, tightly capped.