When it comes to including essential nutrients in your diet omega-3 fatty acids always make the list. Even though fats are often frowned upon some healthy fats are required for the body to carry out various important functions. While the human body synthesizes many nutrients on its own omega-3s aren't one of them. These fatty acids are obtained only through foods and it offers many health benefits. What Are Omega-3 Fatty Acids? So our body contains good and bad fats and omega-3s are the good ones. They are a group of three fatty acids that our body need to perform