The Nutrition of Squid The nutrition resume of squid is about as good as it gets when you think about the center of your plate, otherwise know as the entree. A protein boost is what you get with squid as you do with all seafood. Along with the protein comes a very small amount of fat, mostly unsaturated or the heart-healthy kind, and a small amount of carbohydrate. A 3-ounce serving of squid which is 2-3 squid bodies or about a cup of squid rings, amounts to a very moderate 150 calories, a very respectable 15 grams protein, and a very modest 7 grams carbohydrate. The glycemic index for squid … [Read more...] about Grilled Squid is Savory, Easy, and Full of Nutrition