PROBLEM TO BE SOLVED: To provide an improver of a vascular endothelial function wich makes it possible to bring improvement and further enhancement of a vascular endothelial function even without continuous dose of the improver.SOLUTION: An improver of a vascular endothelial function contains clove, coriander, cumin, garlic, ginger, onion, red pepper and turmeric as active ingredients. A single dose of the improver improves the vascular endothelial function. The improver of the vascular endothelial function is used for improving the vascular endothelial function after meal.SELECTED DRAWING: None