| Category | n | labeled sodium value (mg/100g) | Iodine content (mg/100g) | |
| Medium | Range | |||
| Cheese | 3 | 1283 (1080 - 1324) | 12.8 | 4.8 - 13.1 |
| Egg, pot-roast | 3 | 711 (660 - 731) | 48.4 | 47.8 - 66.4 |
| Egg, preserved | 2 | 810 | 39.4 | 38.7 - 40.1 |
| Egg, salty | 3 | 2018 (1763 - 2706) | 86.8 | 76.3 - 153 |
| Fish, canned | 5 | 1276 (713 - 4039) | 26.7 | 17.4 - 30.3 |
| Fish, grilled, balled | 2 | 994 | 57.2 | 46.4 - 67.9 |
| Seaweed, seasoned | 7 | 1490 (380 - 2700) | 1800 | 744 - 5875 |
| egg roll, with Seaweed | 12 | 317 (174 - 477) | 83.6 | 30.1 - 136 |
| Biscuits, with Seaweed | 27 | 485 (216 - 1142) | 59.0 | 10.4 - 246 |
| Pastry, with Seaweed | 5 | 321 (198 - 830) | 48.7 | 30.1 - 95.8 |
| Puffed foods, with Seaweed | 83 | 649 (140 - 2240) | 56.7 | 2.9 - 903 |