Edible parts
Seaweed (as sold)
Nutrition per 100 g
Food data (CoFID / USDA). Energy and macros show % RI; vitamins and minerals show % NRV (UK) where a reference exists. Curiosity about the plant — not a diary score.
Reference intake
Reference intake of an average adult (8 400 kJ / 2 000 kcal)
| Nutrient | Per 100 g | % RI |
|---|---|---|
| Energy | 205 kJ / 49 kcal | 2% |
| Protein | 1.51 g | 3% |
| Carbohydrate | 12.29 g | 5% |
| Fat | 0.16 g | <1% |
Fibre, fats & omega-3
| Nutrient | Per 100 g |
|---|---|
| Fibre | 1.3 g |
Vitamins & minerals
| Nutrient | Per 100 g | % NRV (UK) |
|---|---|---|
| Calcium | 72 mg | 9% |
| Iron | 8.9 mg | 64% |
| Magnesium | 144 mg | 38% |
| Potassium | 63 mg | 3% |
| Sodium | 67 mg | — |
Vitamin D: plants have about none (the source rows say 0). UV-exposed mushrooms are the exception, and fortified packs vary, so check the pack.
Per 100 g · CoFID / USDA · % RI and % NRV UK · not medical advice
Figures: Seaweed, irishmoss, raw (USDA FDC SR Legacy 168456). Nutrients the row does not report are left blank. Iodine: the official record reports no iodine value; seaweed iodine varies hugely.
Prep notes
Eaten as sold or prepared at home. Atlas figures are per 100 g food data (CoFID / USDA), not a cooked dish with oil or salt unless the row says so.
Caution
Grocery / shop food data only. Not a wild forage guide. Thrive shows composition curiosity — not medical advice.
Answer-ready
Irish moss (Chondrus crispus) 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).