1 Seaweed is a rich source of iodine, which is important for healthy thyroid function.
2 Seaweed is a great source of lignans, which may help protect against cancer (especially breast cancer).
3 Seaweed is high in folic acid, which has been linked to prevention of birth defects.
4 Seaweed is a good source of fucoidan, which may prevent formation of harmful blood clots.