D-GLUCOSE-13C6-1 2 3 4 5 6 6-D7 99 ATO& is a simple sugar that is present in plants. A monosaccharide that may exist in open chain or cyclic conformation if in solution. It plays a vital role in photosynthesis and fuels the energy required for cellular respiration. D-GLUCOSE-13C6-1 2 3 4 5 6 6-D7 99 ATO& is used in various metabolic processes including enzymic synthesis of cyclohexyl-α and β-D-glucosides. Can also be used as a diagnostic tool in detection of type 2 diabetes mellitus and potentially Huntington's disease through analysis of blood-glucose in type 1 diabetes mellitus.