Seaweed and kelp are not staples in the average American home. Seaweed is a marine vegetable that comes in different colors and flavors, with high nutritional value. Kelp is a common seaweed variety that is available in regular and Asian grocery stores and healthy food stores. The question is seaweed or kelp, which is better? 

This article compares both based on their nutritional value and possession of nutrients. 

Nutritional Basics

Similar to other varieties of seaweeds, kelp is low in calories. A cup of kelp contains about 34 calories, while a cup of laver and Irish miss contains 28 and 39 calories, respectively. Kelp also has 1.4 grams of protein per serving, with 7.6 grams of carbohydrate in the same portion. But this is unlike Wakame and Laver, which contain 2.4 and 4.7 grams of protein per serving, respectively. 

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Unlike other seaweeds, kelp contains more calcium per serving. 1-cup serving possesses 134 milligrams of calcium. Meanwhile, other seaweeds like laver and Irish mosh contain less than 60 milligrams of calcium per serving. 

Vitamin K

Compared to a host of other seaweed, kelp is a great source of vitamin K. This helps with blood clotting. Vitamin K simply activates proteins that are required for a series of chemical reactions, which results in the formation of blood clots. Kelp contains 53 micrograms per cup of vitamin K, while Irish moss and wakame contain less than 5 micrograms per serving. 

There you have it. Here are some of the differences between kelp and other seaweeds.