6. Canned tuna
In general, tuna is a great source of many nutrients, including protein, selenium, and Vitamin D. Don’t worry, you’ll get all of these essential nutrients whether you eat your tuna fresh, or from a can.
“Add it to a salad, or mix with a little mayo or vegan mayo, celery, relish, and other veggies, for an easy meal,” says celebrity nutritionist Lisa DeFazio, RD, in Studio City, California. This low-calorie, high-protein option is easy to prepare. Get tuna in water rather than oil to save on calories.
Take into consideration that FDA guidelines recommend 2 to 3 four-ounce servings of seafood a week, from “a variety of cooked fish.”