Calories in Raw Kelp Seaweed

Low Sugar
Instrument — Food Profile
100g
Calories

43.00

kcal
Protein

1.68

g
Carbs

9.57

g
Fat

0.56

g
Fiber

1.30

g
Sugar

0.60

g

Curious about the nutritional profile of raw kelp seaweed? Whether you are tracking your macros or just want to know how many calories it contain, you are in the right place. A standard 100g serving of raw kelp seaweed provides 43.00 calories, 1.68g of protein, and 9.57g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 43.00 kcal 1.68g 9.57g 0.56g
1 oz (28g) 12 kcal 0.5g 2.7g 0.2g
tbsp (1/8 cup) (10g) 4 kcal 0.2g 1.0g 0.1g

Vitamins & Minerals

Nutrient Amount
Vitamin C 3.00 mg
Vitamin K 66.00 mcg
Thiamin (B1) 0.05 mg
Riboflavin (B2) 0.15 mg
Niacin (B3) 0.47 mg
Pantothenic Acid (B5) 0.64 mg
Folate (B9) 180.00 mcg
Calcium 168.00 mg
Iron 2.85 mg
Magnesium 121.00 mg
Potassium 89.00 mg
Sodium 233.00 mg
Zinc 1.23 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 168457)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

How many calories is in raw kelp seaweed?

100 grams of raw kelp seaweed contains exactly 43.00 calories.

Does raw kelp seaweed help build muscle?

It contains 1.68g of protein per 100g, which is moderate.

How many calories is in 1 tbsp (1/8 cup) of raw kelp seaweed?

A single tbsp (1/8 cup) (10g) of raw kelp seaweed provides 4 calories.

Can I eat raw kelp seaweed on a keto diet?

No, raw kelp seaweed has 9.57g of carbs per 100g, which may disrupt ketosis.