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 | 130 kJ / 31 kcal | 2% |
| Protein | 1.5 g | 3% |
| Carbohydrate | 9 g | 3% |
| Fibre | 7 g | — |
| Fat | 0.3 g | — |
| Calcium | 1400 mg | 175% |
| Iron | 29 mg | 207% |
| Iodine | 600 µg | 400% |
| Sodium | 600 mg | — |
Per 100 g · CoFID / USDA · % NRV UK · not medical advice
Prep notes
High arsenic in some harvests. Use rarely, if at all.
Caution
Grocery / shop food data only. Not a wild forage guide. Thrive shows composition curiosity — not medical advice.
Answer-ready
Hijiki (Sargassum fusiforme; SK Hijiki) 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).