Sea-IodineTM 1000 mcg, 60 vegetarian capsules Americans have rightly been told to avoid table salt for decades in order to reduce their risk of hypertension and related health conditions. When iodized table salt is reduced, people can unknowingly lower their iodine intake to suboptimal levels. Analyses from the National Health and Nutrition Examination Survey (NHANES) show that urinary iodine levels have plummeted since the 1970s.