Medically reviewed by Aviv Joshua, MS, RDN Key Takeaways Haddock and cod are excellent choices for a heart-healthy ...

Cod liver oil comes from cod, while fish oil is taken from various fatty fish. Both are good sources of omega-3s and can help support heart health.

Both fish are nutritious and low in fat, but small differences in vitamin B12, sodium, and omega-3s may influence which one is better for your health goals.

Fish can provide a host of flavors and make for a healthy addition to one’s diet. Alaskan cod, for example, is easy to find and, because it’s high in certain omega-3 fatty acids, packs quite a ...