| C 20:5, n-3 per 100 grams | |
| Cod, liver, raw | 6.41 g |
| Cod, liver, smoked | 6.41 g |
| Cod, liver, canned | 5.31 g |
| Herring, autumn, raw | 2.8 g |
| Lump, lumpsucker, smoked | 2.68 g |
| Mackerel, smoked | 1.48 g |
| Sprat (sardine), in tomato sauce, canned | 1.39 g |
| Mackerel, raw | 1.22 g |
| Eel, smoked | 1.16 g |
| Eel, raw | 1.14 g |
| Sprat, pickled, canned | 1.11 g |
| Lump, lumpsucker, raw | 1.1 g |
| Halibut, greenland, raw | 1.07 g |
| Halibut, greenland, gravad | 1.06 g |
| Sardine, in tomato sauce, canned | 1.02 g |
| Caviar, danish (roe, lump-sucker) | 0.983 g |
| Anchovy, pickled, canned | 0.962 g |
| Herring, salted, ripened | 0.942 g |
| Mackerel, filet, in natural juices, canned | 0.941 g |
| Herring, pickled, canned | 0.922 g |
| Crab, boiled | 0.887 g |
| Salmon, smoked | 0.872 g |
| Mackerel, in tomato sauce, canned | 0.843 g |
| Spotted catfish, fillet, raw | 0.82 g |
| Herring, smoked | 0.782 g |
| Herring, pickled, spiced, canned | 0.725 g |
| Salmon, raw | 0.713 g |
| Salmon, canned | 0.63 g |
| Herring, raw | 0.583 g |
| Bucklingpaté (sweet cured herring, smoked) | 0.562 g |
| Salmon, gravad | 0.495 g |
| Halibut, greenland, smoked | 0.453 g |
| Wolffish (catfish), raw | 0.451 g |
| Mussels, in water, canned | 0.445 g |
| Herring, pickled, in curry sauce, canned | 0.4 g |
| Cod, roe, smoked | 0.373 g |
| Cod, roe, raw | 0.345 g |
| Rainbow trout, raw | 0.322 g |
| Crab claws, meat, raw | 0.317 g |
| Crab claws, meat, canned | 0.317 g |
| Lobster, boiled | 0.29 g |
| Egg, chicken, whole, dried | 0.277 g |
| Lobster, canned | 0.275 g |
| Flounder, raw | 0.266 g |
| Mussels, boiled | 0.262 g |
| Norway lobster, raw | 0.251 g |
| Lobster, raw | 0.251 g |
| Plaice, raw | 0.249 g |
| Lemon sole, raw | 0.247 g |
| Shrimp, canned | 0.24 g |
| Sole, raw | 0.224 g |
| Broccoli, frozen | 0.223 g |
| Shrimp, prawn, boiled | 0.22 g |
| Mussel, raw | 0.209 g |
| Egg, chicken, yolk, dried | 0.202 g |
| Shrimp, boiled, shell removed | 0.196 g |
| Halibut, atlantic, smoked | 0.187 g |
| Halibut, atlantic, raw | 0.187 g |
| Oyster, raw | 0.171 g |
| Garfish, raw | 0.143 g |
| Cod, fillet, boiled | 0.133 g |
| Cod, fillet, raw | 0.132 g |
| Haddock, raw | 0.129 g |
| Sprat (sardine), in oil, canned | 0.115 g |
| Plaice, fillet, breaded, dybfrost | 0.11 g |
| Egg, hen, yolk, salted, pasteurized, frozen | 0.109 g |
| Sardine, in oil, canned | 0.108 g |
| Cod, roe, canned | 0.105 g |
| Cod, fillet, breaded, raw | 0.104 g |
| Turkey, flesh and skin, raw | 0.071 g |
| Cod, fillet, smoked, with skin | 0.07 g |
| Stockfish, cod, split, salted and dried | 0.053 g |
| Redfish, ocean perch, raw | 0.049 g |
| Liver, calf, raw | 0.048 g |
| Torsk, tusk, raw | 0.014 g |
| Chicken, drumstick, flesh and skin, raw | 0.011 g |
| Squab (pigeon), raw | 0.01 g |
| Squab (pigeon), flesh, raw | 0.01 g |
| Chicken, hen, flesh only | 0.01 g |
| Chicken, hen, flesh and skin, raw | 0.01 g |
| Chicken, flesh and skin, battered, deepfried | 0.01 g |
| Broiler, flesh and skin, raw | 0.009 g |
| Chicken, breast, flesh and skin, raw | 0.008 g |
| Chicken, flesh and skin, raw | 0.008 g |
| Chicken, flesh and skin, grilled | 0.008 g |
| Chicken, wing, flesh and skin, raw | 0.008 g |
| Pork, loin fillet, smoked | 0.004 g |