Guanosine 5'-diphosphate (GDP) sodium is a nucleoside diphosphate known for activating the adenosine 5'-triphosphate-sensitive K+ channel and serving as a potential iron mobilizer by inhibiting the hepcidin-ferroportin interaction and modulating the interleukin-6 (IL-6)/stat-3 pathway. This compound is utilized in research focused on inflammation-related conditions, including anemia of inflammation (AI).