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Tuna

Tuna isn't just delicious; it's one of the healthiest fish you can enjoy. The best part? It's quite budget-friendly compared to its seafood counterpart, salmon. Even the canned variety is a nutritious choice, especially if it's packed in water. Tuna is loaded with omega-3 fatty acids, which do wonders for your heart.

Not only is tuna an excellent protein source, but it's also rich in selenium and vitamin D. In fact, it's a staple in many recommended diets. For an even more satisfying meal, pair it with dill pickle slices and rice cakes to indulge in this super-healthy food.