Ingredient

Calcium Iodate

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Source
Not animal-derived
Allergen
No
Role in food
Calcium iodate is used as a nutrient additive in foods, particularly in baked goods …

What it is

Calcium iodate is a salt made from calcium and iodate. It is a white crystalline powder. It is often produced industrially by reacting calcium carbonate or calcium hydroxide with iodic acid.

Why it's used

Calcium iodate is used as a nutrient additive in foods, particularly in baked goods like breads and buns. It serves to fortify these products with iodine, an essential mineral.

Health notes

In the US, calcium iodate is Generally Recognized As Safe (GRAS) by the FDA for use as a nutrient supplement. Iodine is crucial for thyroid hormone production. JECFA has evaluated calcium iodate and established an acceptable daily intake. While iodine is essential, excessive intake can also impact thyroid function.

Allergen info

Calcium iodate is not derived from any of the 9 FDA major allergens and does not contain gluten.

Products containing Calcium Iodate

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.