Hemodynamic improvement agent

A preventing deterioration of hemodynamics associated with the progress of aging and cardiovascular diseases, provide a new hemodynamic improvement agent to improve. A hemodynamic remedy comprising a serotonin derivative as an active ingredient. The serotonin derivative is preferably a compound or a glycoside thereof represented by general formula (I). The serotonin derivative is preferably from safflower seeds after oil extraction before or expeller is obtained by extraction with an organic solvent. .BACKGROUND