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12 Cheap and Healthy Foods You Should Eat Daily

canned tuna

5. Tinned tuna

Love fish? Tinned tuna is a great way of getting your omega-3 fatty acids without spending a fortune on fresh fish that will perish quite quickly. It’s not the freshest option, but tinned tuna is still packed full of these important fatty acids – and a six ounce can will contain around 20g of protein.