Calcium iodate

Food additives Europe numbers: E916 

Calcium iodate (Ca(IO3)2) is a substance with applications in both medicine and food fortification. Here's a breakdown of its uses:

Medical Use:

• Primary Function: Provides iodine, a vital mineral, in some dietary supplements and medications.
• Importance of Iodine: Iodine is essential for healthy thyroid function. Deficiency can lead to various problems like goiter (enlarged thyroid gland), fatigue, and weight gain.

Food Fortification:

• Purpose: Calcium iodate is added to table salt (iodized salt) in many countries to prevent iodine deficiency disorders.
• Benefits: Iodine deficiency is a public health concern in some areas, and food fortification with calcium iodate is a safe and effective way to ensure people get enough iodine.

Safety:

• Generally safe for most people when consumed in recommended amounts.
• Excessive intake can be harmful, but this is uncommon with typical dietary intake or recommended dosages in medications.

Regulation:

• The amount of calcium iodate allowed in food fortification and supplements is regulated by health agencies like the US Food and Drug Administration (FDA).

Important Note:

• People with certain pre-existing thyroid conditions might need to consult a doctor before taking iodine supplements containing calcium iodate.