Edible parts
Seaweed (as sold)
Nutrition per 100 g
Food data (CoFID / USDA). % NRV is UK where a reference exists. Curiosity about the plant — not a diary score.
| Nutrient | Per 100 g | % NRV (UK) |
|---|---|---|
| Energy | 180 kJ / 43 kcal | 2% |
| Protein | 1.7 g | 3% |
| Carbohydrate | 10 g | 4% |
| Fibre | 1.3 g | — |
| Fat | 0.6 g | 1% |
| Calcium | 168 mg | 21% |
| Iron | 2.3 mg | 16% |
| Magnesium | 121 mg | 32% |
| Potassium | 89 mg | 4% |
| Zinc | 0.4 mg | 4% |
| Iodine | 2500 µg | 1667% |
| Sodium | 233 mg | — |
Per 100 g · CoFID / USDA · % NRV UK · not medical advice
Prep notes
Iodine can overshoot in a few grams. A postage-stamp piece is enough.
Caution
Grocery / shop food data only. Not a wild forage guide. Thrive shows composition curiosity — not medical advice.
Answer-ready
Kombu (Saccharina japonica; SK Kombu) is listed in Thrive’s plant atlas under seaweed. Nutrition below is per 100 g with % NRV (UK) where a reference exists — food data for curiosity, not a diary score or medical claim. Edible part covered here: Seaweed (as sold).