Meat & Seafood Nutrition: Protein Facts for Beef & Fish

Meat and seafood are primary protein sources, but their nutritional values vary by cut and preparation. From the benefits of swordfish to the digestibility of red meat, learn the facts about calories and protein in your favorite proteins.

The Calories in a Tuna Melt

Published Jul,08 2011 | By Elisabeth Dahl

You might be surprised to learn how many calories a simple tuna melt can contain. Tuna itself isn't high in calories, but bind it together with mayonnaise, spread it on bread and melt cheese on top and the calories start to add up.