Ingredient

Kombu Seaweed Powder

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add kombu powder to foods to enhance their savory flavor and provide an …

What it is

Kombu seaweed powder is made from dried and ground kelp, a type of edible brown seaweed. It is a natural source of umami, the savory taste, and is commonly used in Japanese cuisine. The powder is produced by drying the kombu and then grinding it into a fine consistency.

Why it's used

Manufacturers add kombu powder to foods to enhance their savory flavor and provide an umami taste. It is often found in seasoning mixes, broths, soups, and sauces. It can also be used as a natural salt substitute or to add depth to marinades.

Health notes

Kombu seaweed powder is generally recognized as safe (GRAS) by the FDA for use as a food ingredient. It is a source of iodine, and excessive intake can lead to thyroid issues. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated kombu, and EFSA has also assessed seaweed as a food source. Evidence on the specific health effects of kombu powder at typical dietary intakes is generally positive, but moderation is advised due to its iodine content.

Allergen info

Kombu seaweed powder is not derived from any of the 9 FDA major allergens. It is also gluten-free.

Products containing Kombu Seaweed Powder

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.