D-Glucose 6-phosphate plays a crucial role in cellular metabolism, serving as a key intermediate in both glycolysis and gluconeogenesis pathways. It is essential for energy production, as it is converted into pyruvate during glycolysis, generating ATP. Additionally, it acts as a precursor for the pentose phosphate pathway, which produces NADPH and ribose-5-phosphate, vital for biosynthetic processes and antioxidant defense. In plants, it is involved in starch and sucrose synthesis, contributing to energy storage and transport. Its role in glycogen metabolism in animals also highlights its importance in maintaining blood glucose levels. Furthermore, D-Glucose 6-phosphate is used in biochemical research to study enzyme kinetics and metabolic regulation.