The Omega (α)-3 and α-6 poly unsaturated fatty acids are dietary essential constituents of human diet. As our body cannot de novo synthesize it, so, it must be consumed through diet. Fish oil is a major source of ω-3 and ω-6 essential fatty acids. It prevents major heart diseases, cancer, diabetes, mental disorder, arthritis and many other health problems. So fish oil contributes a large number of beneficial effects to us. It must be consumed as per the recommended dosages. Consumption of 1.0g fish oil daily will help the human being to combat the coronary heart disease. Fish oil supplements have numerous benefits over consumption of fish directly.