Micronutrient fortification of dairy products and cereal food only appears to have marginal health effects in children and adolescents

In January 2019 researchers from Switzerland published their review of the medical scientific literature to assess whether fortified dairy products and cereal food had a positive impact on the health of children and adolescents (aged 5-15 years) compared with non-fortified food. A total of 24 studies (often multiple micronutrient fortification) were included in the review. Results showed a very small and non-significant increase of haemoglobin values with iron-fortified products although the studies were of very low quality. There was also no significant difference in risk of anaemia although fortified food did appear to produce a reduced risk of in iron deficiency anaemia. However, the evidence for this was again of very low quality.

Eichler K et al. Health effects of micronutrient fortified dairy products and cereal food for children and adolescents: A systematic review. PLoS One. 2019 Jan 23;14(1):e0210899.

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