Seaside societies have included seaweed in their diets for millennia. Today we are rediscovering what they have long known: seaweed provides a nutritional punch, a powerful mix of iodine, iron, vitamin C, antioxidants, fiber, vitamin K, vitamin B12; minerals, fiber and protein. It is linked to lower rates of cardiovascular disease, Type 2 diabetes and obesity and it is believed to help in the prevention and treatment of cancer.