Canned tuna is an inexpensive, low calorie source of protein and other important nutrients, including omega-3 fatty acids. Some brands can last for 2–5 years in your pantry.

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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.

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.

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 ...

Canned tuna has 0.28 grams of polyunsaturated fats per 100-gram serving, while canned salmon offers up nearly five times that amount with 1.5 grams per 100-gram serving. Damn. Related Content ...