Potassium Iodide
This is what the ingredient is.
Potassium iodide is the most common form of iodine used for salt iodization and dietary supplementation.
Here is why it shows up on the label.
Added to table salt (iodized salt) to prevent iodine deficiency. Essential for thyroid hormone production.
Here is what food agencies say.
The FDA has approved it for salt iodization. WHO recommends universal salt iodization. Globally implemented.
Here is what research has found.
Iodine deficiency is leading cause of preventable intellectual disability. Salt iodization nearly eliminated deficiency in many countries.
Here are a few things worth knowing.
Safe at recommended levels. Excess iodine can affect thyroid function. Those with thyroid conditions should consult healthcare provider.
Sources
- FDA CFR 21
- WHO Iodine Guidelines
- EFSA Scientific Opinion
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.