BioTechUSA Zinc Duo

25 mg of zinc in a daily dose Active, easy-to-use formula Contains 2 types of zinc zinc bisglycinate (amino acid chelate) zinc gluconate Sufficient packaging for 60 daysThe gluconate compound belongs to bonds and the elemental zinc content is adequate. Chelation is a type of bonding of zinc with amino acid creating bisglycinate complex, which can be easily used by the human body.