Which is better canned sardines or canned mackerel?
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, both sardines and mackerel are excellent sources of vitamin B12 and omega-3 fatty acids, two vital nutrients for human health. When considering which is better canned sardines or canned mackerel, the answer depends on your specific nutritional needs, taste preferences, and budget.