<<Disclaimer: Verify this information before applying it to your situation.>> there have been alot of questions and concerns about this type pf sea vegetable which is basically just giant kelp...here are a few things i found concerning it and its nutrtional content..over all it seems to be a very healthy food, as the benfits of kelp have been widely known for some time...id think that if you know you are particularly sensitive to iodine then you would not want to eat them or at least not often... here is what i found donna Kombu - Seaweed Diet Nutrition Kombu is a kelp, a brown seaweed cultivated in Japan and is eaten both raw and cooked. Kombu is sweet tasting and in the West is used mainly to flavor broths, soups and sauces. Kombu or kelp comes packaged in dried strips. To prepare: cut into smaller strips, add to water and boil for 10 minutes. Use the water as a base for soups or other dishes. Kombu can also be soaked in water and used to wrap around flavored fish and vegetables. Kombu seaweed is rich in protein, calcium, iodine, magnesium, iron and folate. Lower rates of breast cancers have been reported in Japanese women eating a diet high in kelp. Lignans, which help fight cancer are found in high quantity in kelp and may provide protection against certain cancers. Even though seaweed supplements and kelp tablets are now sold as energy boosters, there is no evidence that seeweed boosts energy - except in those who are iodine deficient and have underactive thyroids Preparation, uses, and tips When kombu is added to the cooking water of dried beans, it helps beans cook faster and aids in digestion. Nutritional Highlights Kombu, 3.5 oz. (100g) Calories: 43 Protein: 1.7g Carbohydrate: 9.6g Total Fat: 0.6g Fiber: 1.3g *Excellent source of: <A HREF="http://www.gnc.com/health_notes/Supp/Folic_Acid.htm">Folate</A> (180mcg) *Good source of: <A HREF="http://www.gnc.com/health_notes/Supp/Calcium.htm">Calcium</A> (168mg), and <A HREF="http://www.gnc.com/health_notes/Supp/Magnesium.htm">Magnesium</A> (121mg) *Foods that are an “excellent source” of a particular nutrient provide 20% or more of the Recommended Daily Value, based upon United States Department of Agriculture (USDA) guidelines. Foods that are a “good source” of a particular nutrient provide between 10 and 20% of the USDA Recommended Daily Value. Nutritional information and daily nutritional guidelines may vary in different countries. Please consult the appropriate organization in your country for specific nutritional values and the recommended daily guidelines. *Support summarization of posts, reply to the SENDER not the Celiac List *