How Much Protein Is In Seaweed?
Seaweed is listed in the protein foods category. It is a good source of protein, rich in dietary fiber, rich in calcium, a good source of iron, and rich in potassium.
Protein per 0.25 cup (5g)
0.8
g% Daily Value
Complete Nutrition Facts for Seaweed
Per 0.25 cup (5g)
—
sugar
Essential Amino Acids in Seaweed
Per 0.25 cup (5g)
Limiting amino acid: Histidine.
11mg
Histidine
28mg
Isoleucine
45mg
Leucine
38mg
Lysine
13mg
Methionine
40mg
Phenylalanine
29mg
Threonine
8mg
Tryptophan
33mg
Valine
More About Seaweed
About Protein in Seaweed
A serving of Seaweed (5g) contains 0.8g of protein, which is 2% of the recommended daily value based on a 2,000 calorie diet.
Protein is essential for building and repairing tissues, making enzymes and hormones, and supporting immune function. When planning your meals, consider that seaweed is a low source of protein compared to other proteins.
Compare Protein in Similar Foods
See how Seaweed compares to other proteins.
Chicken Breast
per 3 oz (85g)
26.4g
Salmon
per 3 oz (85g)
17.3g
Beef
per 3 oz (85g)
22g
Egg
per 2 large (100g)
12.6g
Source: USDA FoodData Central | FDC ID: 167602 | Last updated: 2026-04-06
Trusted & Verified Nutritional Information
All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.
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