Lugol’s Iodine Solution An unopened bottle can last decades and it serves multiple preparedness roles. It can clean minor wounds, help with certain skin infections, disinfect water in emergencies, and provide iodine when dietary sources are limited. In a nuclear event, iodine saturates the thyroid and reduces uptake of radioactive iodine. This is the same principle used by potassium iodide tablets and it only applies to specific exposure scenarios. No refrigeration required and no electricity ne