Magnesium and potassium are easily found in plant and animal foods. Plant-based foods are especially high in magnesium, potassium, and other essential minerals, so be sure to include them often.

On eBay (EBAY), four boxes of Thyrosafe potassium iodide tablets were listed for $132.50 on Monday. Another listing for a box of IOSAT 130 mg pills was selling for $89.95 each.

Medically reviewed by Jamie Johnson, RDN Magnesium helps more than 300 processes in the body, while potassium helps balance the fluid inside the cells, maintaining a stable internal environment ...

On eBay, four boxes of Thyrosafe potassium iodide tablets were listed for $132.50 on Monday. Another listing for a box of IOSAT 130 mg pills was selling for $89.95 each.

On eBay, four boxes of Thyrosafe potassium iodide tablets were listed for $132.50 on Monday. Another listing for a box of IOSAT 130 mg pills was selling for $89.95 each.