A recent study, published in Lancet Planetary Health journal, reveals that replacing dairy with plant-based milks increases the risk of iodine deficiency among women and children, prompting calls for mandatory fortification to protect public health.

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Researchers analyzed dietary data from 3,500 participants and found that only 12 percent of plant-based milks were fortified with iodine, while many lacked other essential nutrients.

Experts analysed the risks of dropping dairy in favour of plant-based items, including 146 plant-based milks, 76 yoghurts and 67 cheese products.

They examined the effect on micronutrient intake for iodine, calcium and vitamins B2 and B12.

The study highlighted that even minor substitutions could significantly raise the number of women and girls failing to meet iodine requirements, with alarming rates of deficiency observed among teenage girls and women of childbearing age.

Iodine is crucial for thyroid function and cognitive development, and its deficiency can lead to serious health issues.

Experts advocate for fortifying plant-based alternatives and suggest adding iodine to bread as a cost-effective measure to improve nutrient intake.

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