Japanese food, explained dish by dish
HomeFood & Nutrition DatabaseNutrition: Algae

Algae, "Iwa-nori", dried: Calories & Nutrition per 100 g (Japan's Official Food Table)

Last updated: 2026-09-17

Algae, "Iwa-nori", dried has 228 kcal per 100 g of edible portion, with 34.8 g protein, 0.7 g fat and 39.1 g carbohydrate, according to Japan's official Standard Tables of Food Composition.

Food number09007
Name in Japaneseいわのり 素干し
Food groupAlgae

We are working to carry Japanese craft and everyday culture beyond Japan, by building Japan Towns with local partners. Read the plan, or tell us if it resonates.

無料で見てみる →

Nutrition per 100 g (edible portion)

Energy228 kcal
Water8.4 g
Protein34.8 g
Fat0.7 g
Carbohydrate (by difference)39.1 g
Dietary fibre36.4 g
Salt equivalent5.3 g
Sodium2100 mg
Potassium4500 mg
Calcium86 mg
Iron48.0 mg
Vitamin C3 mg
Cholesterol30 mg

How to read these numbers

Other forms of algae

Source: Ministry of Education, Culture, Sports, Science and Technology (MEXT), Standard Tables of Food Composition in Japan (Eighth Revised Edition), 2023 supplement; English food names from the official English edition (2015). Compiled and reformatted by this website. This page is general information, not dietary or medical advice.

More foods: Nutrition: Algae

Algae, Sea lettuce, dried: Calories & Nutrition per 100 g (Japan's Official Food Table)
Algae, green laver, dried: Calories & Nutrition per 100 g (Japan's Official Food Table)
Algae, purple laver, dried: Calories & Nutrition per 100 g (Japan's Official Food Table)
Algae, purple laver, dried, toasted: Calories & Nutrition per 100 g (Japan's Official Food Table)
Algae, purple laver, dried, seasoned and toasted: Calories & Nutrition per 100 g (Japan's Official Food Table)

Read next

Tokyo Food: A First-Timer's Guide to What to Eat and Where
What to Eat in Tokyo Disneyland: A First-Timer's Food Guide
What to Eat in Tokyo Station: A First-Timer's Food Guide
What to Eat in Tokyo: A First-Timer's Guide to Local Dishes

We are working to carry Japanese craft and everyday culture beyond Japan, by building Japan Towns with local partners. Read the plan, or tell us if it resonates.

Read the Japan Town →