Kombu seaweed is a good source of Vitamins A, B1, B2, B3, B5, C, E, K, folate and soluble/insoluble fiber, and has among the very highest nutrient-to-calorie ratios (from a vegetarian source) of anti-inflammatory Omega-3 Essential Fatty Acid (EPA). The salty taste is not just salt but a balanced, chelated combination of sodium, potassium, calcium, magnesium, phosphorous, iron and trace minerals. 
Kombu seaweed is high in a variety of minerals and nutrients which are a product of its kelp content. This vegetable is extremely low in calories with minimal fat. Although high in sodium, it’s a good source of other minerals including magnesium, iodine, calcium, and iron. It’s also high in vitamins A, C, E, and K as well as folate and riboflavin. It’s also a source of lignans which are thought to play a role in preventing certain types of cancer. 

Kombu is a high in Fucoxanthin, which is being explored for weight loss, anti-diabetes effect and possible anti-cancer treatment. Aside from its potential cancer-fighting benefits, regular consumption of Fucoidan is reported to boost the immune system and neutralize oxidative cell damage from free radicals to give users smooth and soft complexions.