There are lots of ways to add the healthy benefits of seafood to our diet. The many types of seafood make it a versatile ingredients that can easily be added to your favorite dish. Seafood is any form of sea life regarded as food by humans, prominently including fish and shellfish.seafood you don’t need to trim any fat.LOW IN FAT: Seafood averages less than 2% fat. For a slimmer, seafood is all good news. All seafood is low in kilocalories (Kcals), with fewer kcals than even the leanest meat or chicken.