Hypertension is one of the most devastating killer disease in the world today. Patients with hypertension, if not handled properly, will have a great risk to die from cardiovascular complications such as stroke, heart attack, heart failure, and kidney failure. High blood pressure or Hypertension is a condition when blood pressure get increase above normal are indicated by the systolic number (top) and the bottom number (diastolic) blood pressure on examination using a sphygmomanometer or other digital devices. If someone has high blood pressure and did not get the treatment and control on a regular basis could be death. High blood pressure causes the heart of someone constantly working extra hard and finally this condition causes the damage of a heart's blood vessels, kidneys, brain and eyes. Hypertension disease is a common cause of stroke and heart attack. To prevent high blood pressure, reduce salt intake, alcohol, smoking and high fat foods. Eat foods rich in fiber. Take control of your diabetes and exercise regularly can decrease high blood pressure. Taking supplements such as l-arginine also reduce the risk of high blood pressure. In the treatment of hypertension, the key is the circulatory system. If the circulatory system of blood pressure in healthy, the body will be stable. l-arginine can regulate blood circulation because the content of l-arginine like a nitrin oxide can help dilate blood vessels.