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Vegetables · Nutrition Facts

Kombu Nutrition Facts

Kombu, a type of edible kelp, is a nutrient-dense seaweed used in soups and stews. It is notable for its high iodine content and low-calorie profile.

GI: N/AServing: 1 sheet of kombu (10g)Search USDA matchesPublic dataset · 4,000 foods

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35kcal

Calories

7.6g

Protein

1.8g

Carbs

0.1g

Fat

Where the calories come from

Protein79%
Carbs19%
Fat2%

Full nutrition breakdown

Nutrition Facts

Per 100g · Per serving (1 sheet of kombu, 10g)

NutrientPer 100gPer serving
Calories35kcal3.5kcal
Protein7.6g0.8g
Total Carbohydrates1.8g0.2g
Dietary Fiber1.8g0.2g
Sugars0.4g0g
Total Fat0.1g0g
Saturated Fat0.02g0g
Sodium236mg23.6mg
Water89.5g9g

Adjust the serving size

Estimate nutrients in a portion of Kombu. The calculation scales the values shown per 100 g; it is not a measurement of a specific food or product.

Listed serving: 1 sheet of kombu (10 g). Enter 1–5000 g.

Calories
3.5 kcal
Protein
0.76 g
Carbohydrates
0.18 g
Fiber
0.18 g
Sugars
0.04 g
Fat
0.01 g
Sodium
23.6 mg

Estimate only. Food varieties, brands, preparation, and actual portion weights can change the values. Use product packaging for packaged foods.

Key vitamins & minerals

Iodine339 mcg

226% Daily Value

Calcium150 mg

12% Daily Value

Magnesium24 mg

6% Daily Value

Iron2.9 mg

16% Daily Value

Serving ideas

  • Add to miso soup for flavor and nutrition.
  • Use as a wrap for sushi or temaki.
  • Chew on a sheet for a satisfying snack.

Storage

Storage tip: Store dried kombu in an airtight container away from moisture and heat.

Record status

This page presents a record from our public dataset. It has not been independently verified by a nutrition professional.

Source context

No exact USDA record match has been verified for this food. Search results may include candidates that do not match the exact record or values shown. Read our methodology.

Correction status

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Frequently asked questions

Is kombu high in sodium?
Yes, kombu is high in sodium. It’s best to consume it in moderation, especially if you have high blood pressure.
Does kombu contain oxalates?
Yes, kombu contains oxalates. Eating it in moderation is generally safe, but it’s best to avoid it if you have a history of kidney stones.
How long does kombu last?
Dried kombu can last up to a year when stored in a cool, dry place. Reconstituted kombu should be used within a few days.

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