Heart disease is a common term that has been used for different kind of heart disease. The heart is a collection of muscles about the size of your fist. The heart is an organ that is made up of a collection of muscles and its main work is to pump filtered blood throughout your body via the circulatory system. The body tissues need a constant supply of nutrition and oxygen in order to be active so your heart does. Your heart supplies many nutrients and oxygen throughout your body and keep alive your tissues. It pumps the blood throughout your body and beats 72 times a minute. The most common cause of heart disease is that when the coronary arteries bare blocked which is a main source of supplying blood and oxygen. Heart disease includes numerous problems and many of which are related to a process called atherosclerosis. Heart disease includes Heart failure, Arrhythmia and Heart valve problems. When it comes to treatment of these kinds of diseases there are many treatment options available but today we are going to talk about one of the best medicine and that is fish oil. Fish oil is considered one of the best treatment options for those who are suffering from heart disease. Fish oil is a type of oil that is derived from the tissues of oily fish. Intake of oily fish in day-to-day life can save you from different kind of disease. Fish oil is one of the best source of omega 3 fatty acids. These acids are very essential in order to fight with not only heart disease but also different kind of disease. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are ingredients that are found in omega 3 fatty acids. Omega 3 fatty acids are found in fish like mackerel, tuna, salmon, halibut etc. Fatty fish can be considered as one of the cheapest source of Omega 3 fatty acids that your body can’t make but it is very essential for body. Today we are going to talk about the use of fish oil in heart disease. Irregular heartbeat is a possible surrogate outcome for the risk of sudden deaths but after taking foods that are rich in omega 3 acids reduced the chances of being hit by heart attack or strokes. The GISSI-Heart Failure trial was the first randomized trial to assess the efficacy of fish oil supplements in patients with heart failure. 51 The trial enrolled 7046 subjects with heart failure; 60% with New York Heart Association class II symptoms and 40% with a history of MI. It regulates your heart beat and stimulates the heartbeat to work at its normal speed. Therefore it has been recommended by the doctors to take adequate amount of omega 3 fatty acids per day that is very essential to fight against with heart disease as well as any disease.