Windmill Natural Source 100mg Kelp Of Iodine TabletsWindmill Kelp 100 mg provides 150 mcg of iodine from 100 mg of kelp per tablet.Kelp is a seaweed that is a natural source of a wide range of vitamins and minerals including vitamins C, D, E, K, members of the B-complex and trace minerals.Kelp is also a rich source of iodine, an important mineral to metabolism and the proper function of the thyroi