The object is to provide a novel application of D-allose (e.g., use for prevention of hypertension or hypercardia). Thus, disclosed is a composition for preventing the increase in blood pressure which comprises D-allose as an active ingredient; or a composition containing D-allose and/or a derivative thereof, preferably in an amount of 0.1 to 50% by weight. Preferably, the composition is in a form selected from the group consisting of a food additive, a food material, a beverage/food, a health beverage/food, a pharmaceutical and a feeding stuff which can be used for the prevention and treatment of a cardiovascular system disorder (e.g., hypertension, hypercardia). The increase in blood pressure may be caused by salt-sensitive hypertension. Also disclosed is use of D-allose for preventing the increase in blood pressure (excluding medical practices).