Potassium iodide
What is Potassium iodide?
Potassium iodide is the potassium salt of iodine. It is a white crystalline solid, soluble in water. It is typically manufactured by reacting potassium hydroxide with iodine.
Is Potassium iodide vegan?
Potassium iodide is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is Potassium iodide a major allergen?
Potassium iodide is not one of the 14 major allergens that UK law requires to be emphasised on food labels.
What is Potassium iodide used for?
Potassium iodide is primarily added to foods as a source of iodine, an essential nutrient.
Is Potassium iodide safe?
Potassium iodide is authorised as a food additive in Great Britain and is listed on the Register of Food Additive Authorisations.
Why it's used
Potassium iodide is primarily added to foods as a source of iodine, an essential nutrient. It is often added to table salt (iodised salt) to help prevent iodine deficiency. It can also be found in some nutritional supplements and specialised foods.
Health notes
Potassium iodide is authorised as a food additive in Great Britain and is listed on the Register of Food Additive Authorisations. It is used to fortify foods with iodine, which is essential for thyroid hormone production. The European Food Safety Authority (EFSA) has evaluated potassium iodide. Consuming excessive amounts of iodine can affect thyroid function, but typical intakes from fortified foods are generally considered safe and beneficial for public health.
Allergen info
Potassium iodide is not one of the 14 major allergens that UK law requires to be emphasised on food labels. Not a major allergen.
Foods that contain Potassium iodide
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