I wonder if they are referring to lugol's or potassium iodide?
20) High doses of iodine may be used to reverse certain diseases.
At 6 grams daily (which is 6 million micrograms/day or 6,000 milligrams/day!), a much higher dose, iodine has been used to cure syphilis, skin lesions, and chronic lung disease. In perspective, microgram levels prevent and cure cretinism and goiter, milligram levels help prevent and cure many things as already stated such as cancer, fibrocystic breast disease, and Alzheimer’s, and gram levels have been used to treat syphilis, skin lesions, and chronic lung disease.