The quick reply is sure: Seaweed actually is a wholesome, scrumptious meals filled with a variety of important vitamins that can depart your physique feeling nice. “Seaweed is a nutrient-dense meals and an excellent supply of nutritional vitamins, minerals, fiber, fatty acids, protein, and different bioactive compounds like phytonutrients,” registered dietitian Molly Knudsen, M.S., RDN, explains.