Top 10 · Updated October 2026

Lowest-Calorie Seaweeds And Their Products

The 10 lightest seaweeds and their products products on this list range from 1 to 15 kcal per 100 g. The seaweeds and their products with the fewest calories per 100 g, so you can compare energy density at a glance. We checked 151 seaweeds and their products with complete data.

1

Big Sheet Classic

c 1 kcal 1 g sugar 1 g protein 1 g fat
2

Kombu

Clearspring

a 2 kcal 0 g sugar 0 g protein 0.1 g fat
3

Chlorella

Vitarmonyl

a 2 kcal 0 g sugar 0.3 g protein 0.1 g fat
4

Lou Kombu Cha

a 6 kcal 0 g sugar 0 g protein 0 g fat
5

Seasoned Seaweed

Kwang Cheon Kim · 5 g

a 10 kcal 0 g sugar 0 g protein 1 g fat
6

Haricots verts marins au Naturel

Sainte Barbe · 585 g

c NOVA 3 10 kcal 0.1 g sugar 0.9 g protein 0.7 g fat

Also: Palm oil free · Vegan · Vegetarian
7

Salade d algue wakame

a 12 kcal 0 g sugar 0 g protein 0 g fat
8

Sjörapport

Ikea · 85g

d NOVA 4 13 kcal 0 g sugar 1 g protein 0.5 g fat

Also: Palm oil free · Vegan · Vegetarian
9

Laitue de mer sauvage frais salé

Algues de Bretagne · 80 g

d NOVA 3 14 kcal 0 g sugar 1.4 g protein 0.2 g fat

Also: No additives
10

Hijiki

Clearspring

b 15 kcal 0.2 g sugar 0.8 g protein 0.1 g fat

How we built this list

We ranked all published seaweeds and their products on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.

More seaweeds and their products rankings

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