Canned tuna fish is protein in a pinch that can be stored in your pantry ... water-packed tuna is lower in calories and generally has a slight edge when it comes to omega-3 content, she said.

Chicken is not the only foods high in protein. Find out which foods can deliver as much or more protein as chicken.

Fresh tuna has significantly more potassium than either of its canned counterparts with 124 milligrams, while canned tuna in water and oil both have potassium in the 50-59 milligram range.

Nutrition. Tuna is one of the best dietary sources of vitamin D.Just 3 ounces of canned tuna yield as much as 50% of the recommended daily level. Vitamin D is necessary for bone health ...

Canned tuna can also have a lot of sodium - around 280 milligrams, or 12% of one's recommended daily intake in a single can. High-sodium diets increase risk of heart disease , kidney disease, and ...