Dulse Flakes (Palmaria palmeta). Seaweed has been a common human food for centuries. During earlier periods, many communities lived by the seashore because of the easy availability. Dulse is appreciated as one of most versatile and valuable foods derived from nature because it is an excellent source of Vitamins A, B1, B2, B3, B6, B12, C, and E, and minerals like potassium, calcium, magnesium, phosphorous, chromium, iodine and zinc and trace elements. It is also a rich source of minerals like iodine, which is necessary for the proper functioning of the thyroid gland. Dulse contains high amounts of chlorophyll. Consistently taking dulse will help restore energy and vitality in the body.