Lychee contains high amount of antioxidant Vitamin C. Lychee also contains a good amount of potassium. Potassium is required to maintain sodium level. Also high potassium is required to maintain fluid level i.e. Balance electrolyte. Thus it helps to maintain high blood pressure and it reduces the risk of stroke and heart attack. Also it contains minerals like manganese, magnesium, iron, copper andfolatethat maintain blood pressure.