Manufacturer: Tiofarma, Netherlands manufactures Potassium Iodide.

Uses:

The uses of Potassium Iodide include:
Potassium iodide tablets for use in a radiation emergency are available as FDA-approved products (ThyroShield, Iosat) and on the Internet as food supplements.

Potassium iodide should only be used in a radiation emergency, not in advance of an emergency to prevent sickness.