Kent Marine Zoe contains high dosages of natural marine algae, such as spirulina, to provide essential vitamins and amino acids not available in dry, frozen, or even live food sources. Zoe is the Greek word for life. It means self producing life and is the root word for Zoology. Four years of development have produced a refined product that will give you exceptional results. Does not contain glycerine, polysorbates or sugar. Shipping weight: 1/3 lb.