Answer: DHA(Docosahexaenoic acid)
Explanation: DHA(Docosahexaenoic acid) is the component that is usually present in Oily fishes such as anchovies , bluefin , salmon etc.It is referred as the kind of omega-3 fat .Omega-3 fatty acid is not developed in the body on its own ,so it is to be consumed by eating the sources that provides it.
This is highly beneficial element for the human body as it helps in improving the eye condition, eliminates inflammation, reduces chronic disease risk, helps in good brain functioning etc.