What is the shelf life of KI tablets?
As with all drug products, the manufacturer must specify an expiration date of the drug on either the package or the individually wrapped tablet. The NRC distributes two tablet strengths of potassium iodide, 130 and 65 mg tablets. The shelf life of IOSAT 130 mg tablets is 7 years and the shelf life of ThyroSafe 65 mg tablets is 6 years. For States interested in extending the shelf life of KI, the FDA has published guidance on shelf life extension for the tablet form of potassium iodide. Extending the shelf life of KI tablets is possible due to the inherent stability of the chemical form. However, the tablets must be stored under the conditions specified by the manufacturer to be considered for shelf life extension. In addition, this guidance only is intended for Federal agencies and State and local governments that maintain KI stockpiles under the conditions specified by the manufacturer. The liquid formulation of KI also has a shelf-life of 5 years. The extension guidance does not app
