750mg of Green food goodnessNaturally sourced Brown Seaweed, suitable for Vegetarians and VegansContains Iodine for normal thyroid function and energy yielding metabolism Get help towards your 5 a day with our naturally sourced Brown Seaweed supplement. These high strength supplements are just one a day for 750mg of Brown Seaweed in one easy to take capsule. Brown Seaweed is a nutritious vegetable, high in Fibre, Iron, Iodine, Magnesium and B Vitamins. Iodine contributes to normal thyroid function and normal energy yielding metabolism.