The Omega 3 Vs Omega 6 ratio matters.
Synthesis of the longer omega 3 fatty acids from linolenic acid within the body is competitively slowed by omega 6 fatty acids. Thus accumulation of long-chain omega 3 fatty acids in tissues is more effective when they are obtained directly from food or when competing amounts of omega 6 do not greatly exceed the amounts of omega 3.
Omega 3 fatty acids benefits and fish oil benefits are one and the same. Fish oil tables generally contain all the omega family fatty acids. Specifically however we are talking about omega 3 fatty acids as they are the primary fatty acid found in fish oil supplements
What are omega 3 fatty acids? Omega-3 fatty acids are a family of unsaturated fatty acids. Nutritionally important fatty acids include α-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), all of which are polyunsaturated. The human body cannot synthesize fatty acids from new, but it can form “long chain” fatty acids like EPA or DHA from the “short chain” ALA. These conversions occur competitively with omega 6 fatty acids, which are essential closely related chemical analogues that are derived from linoleic acid.