Canned tuna is protein-packed, inexpensive, and can last for years in your pantry. ... Canned tuna, packed in water: Calories: 31: 56: 24: Total fat: less than 1 gram: 2 grams: less than 1 gram: ...

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.

Find out what nutrients are in tuna and learn how it can help you lower your risk of heart disease, cancer, ... A 4-ounce serving of white tuna contains: Calories: 145; Protein: 26.77 grams; Fat ...

This high protein content plus its low number of calories - a five-ounce can of skipjack tuna contains only 80 calories - makes the fish "an ideal food for weight management," says Messer.

The tuna diet does not provide enough calories for most adults. A 3-ounce (85-gram) can of tuna packed in water contains 73 calories, 16.5 grams of protein, 0.6 grams of fat, ...

But why this brand’s tuna in a glass jar is so much sweeter and fresher than its tuna in a can is a mystery. 90 calories, 3.5 g fat, 200 mg sodium. $4.99 for 4.5 ounces on Amazon. 4 stars.