USDA-derived generic food data

What is the nutrition score of Kelp (Seaweed)?

Per 100g, Kelp (Seaweed) has a Daily Nutrient Contribution score of 18/100. Its strongest contributions are Folate, Vitamin K, Magnesium. Treat this as a fixed nutrient comparison, not a personal recommendation.

Reviewed 16 July 2026. USDA-derived values are estimates for a generic food and can vary with preparation and brand.

Daily Nutrient Contribution

18/100

8 nutrients provide at least 10% of the daily reference used for this comparison.

Read the method

Nutrition facts

The same generic food data, shown per 100g and for a 10g portion (10g).

Search USDA FoodData Central
NutrientPer 100gPer a 10g portion
Calories43 kcal4 kcal
Protein2 g0 g
Carbs10 g1 g
Fat1 g0 g
Fiber1 g0 g
Sat fat0 g0 g
Sodium233 mg23 mg
Potassium89 mg9 mg
Calcium168 mg17 mg
Iron2.9 mg0.3 mg
Magnesium121 mg12 mg
Zinc1.2 mg0.1 mg
Vitamin C3 mg0 mg
Vitamin D0 µg0 µg
Vitamin B120 µg0 µg
Folate180 µg18 µg

Where Kelp (Seaweed) contributes most

These percentages are capped at 100% for the score calculation. They use a fixed adult reference and are not personalised targets.

Folate

90%

180 µg per 100g

Vitamin K

88%

66 µg per 100g

Magnesium

40%

121 mg per 100g

Iron

33%

2.9 mg per 100g

Sat fat

0 g per 100g

Shown separately because the score focuses on positive daily nutrient contributions.

Sodium

233 mg per 100g

Shown separately because the score focuses on positive daily nutrient contributions.

Source and limits

This page uses Nutrigate's USDA FoodData Central-derived generic-food table. It is useful for comparison, while the label on a branded product is more specific. Nutrition information is not medical advice.

Find Kelp (Seaweed) in USDA FoodData Central