Among the various types of fish oils that are extracted and available in the market, those fish oils would be regarded as the best which contains omega-3 is the main constituent. This element produces fantastic effects on the different organs and tissues of the body. It is also necessary to note that omega-3 is not the name of a thing which is single in entity, however; it is group of classical substances that are used for various purposes and diseases of the human body. All of the sub-divisions of omega-3 are essential of the good health and therefore; it is required that a person should acquire these sub-constituents in the diets and in the form of supplements. The best fish oil would be one which does have three major components beneficial for the human body. These components are DHA (Docosahexaenoic acid), EPA (Eicosapentaenoic acid) and ALA (alpha-linolenic acid). These three important sub-constituents are also found naturally in different food items and hence it is required to search these substances for their greater benefits. It has been found that ALA is present in abundant quantity in flax seed oil, walnut oil, canola oil and soybean oil, etc which is much helpful in the prevention of heart diseases and hypertension. The advantage of ALA taking in the diet or in the form of supplements is that it can be converted in to other sub-constituents like EPA and DHA inside the body, therefore; taking the ALA could be enough for the body. The other way round is to take all three essential sub-constituents in order to get more benefits and good physical well being.

If anybody knows the purpose of taking the fish oil, then he would certainly chose the right variety, since different diseases and illnesses are addressed with different types of fish oil. ALA is regarded as the best component in fish oil in order to tackle the heart diseases, high blood pressure, weakness of muscles, depression and anxiety and the major problem of old age like arthritis. EPA rich food items and supplements are especially best for skin illnesses, like Psoriasis and acne, etc. In order to have full nutritional requirements and vitamins supply, EPA and DHA both should be taken during gestation, since it has been observed that those women who suffers maternity blues and post-natal depression suffers from these two substances' deficiency. Alzheimer's disease is also a common illness in old age and it should be tackled with these two components as well.

Beside omega-3, there comes in omega-6 which also furnishes great benefits to the people in order to prevent various illnesses. Omega-6 rich supplements are prescribed in arthritis, heart problems, diabetes, premenstrual syndrome and heart disease. People should search the right type of omega fish oil before usage and for that they should either consult to any specialist or should read the reviews. The omega-3 and -6 fish oils are great in the resolution of different problems, provided that they have been selected adequately and used properly.