| C 18:4, n-3 per 100 grams | |
| Cod liver oil | 2.91 g |
| Cod, liver, raw | 1.39 g |
| Cod, liver, smoked | 1.39 g |
| Cod, liver, canned | 1.15 g |
| Mackerel, smoked | 1.1 g |
| Mackerel, raw | 0.872 g |
| Mackerel, filet, in natural juices, canned | 0.743 g |
| Mackerel, in tomato sauce, canned | 0.715 g |
| Herring, salted, ripened | 0.493 g |
| Herring, pickled, canned | 0.448 g |
| Herring, pickled, spiced, canned | 0.363 g |
| Herring, smoked | 0.361 g |
| Halibut, greenland, raw | 0.309 g |
| Halibut, greenland, gravad | 0.307 g |
| Herring, raw | 0.305 g |
| Eel, smoked | 0.268 g |
| Eel, raw | 0.262 g |
| Bucklingpaté (sweet cured herring, smoked) | 0.225 g |
| Herring, pickled, in curry sauce, canned | 0.2 g |
| Sardine, in tomato sauce, canned | 0.177 g |
| Spotted catfish, fillet, raw | 0.176 g |
| Salmon, raw | 0.143 g |
| Rainbow trout, raw | 0.128 g |
| Mussels, in water, canned | 0.111 g |
| Wolffish (catfish), raw | 0.097 g |
| Egg, chicken, yolk, dried | 0.068 g |
| Mussels, boiled | 0.067 g |
| Egg, chicken, whole, dried | 0.056 g |
| Redfish, ocean perch, raw | 0.011 g |
| Torsk, tusk, raw | 0.001 g |