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Iron supplementation

K Schümann1, B Elsenhans, A Mäurer

  • 1Walther-Straub-Institut für Pharmakologie und Toxikologie der Ludwig-Maximilians-Universität, München.

Journal of Trace Elements in Medicine and Biology : Organ of the Society for Minerals and Trace Elements (GMS)
|December 19, 1998
PubMed
Summary

Iron deficiency impacts 20% globally, especially in developing nations. Food fortification is a cost-effective strategy to combat deficiency and improve health, with tailored approaches minimizing overload risks.

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Area of Science:

  • Public Health Nutrition
  • Nutritional Biochemistry
  • Food Science

Background:

  • Iron deficiency affects approximately 20% of the global population, with higher prevalence in developing countries due to diets low in bioavailable iron.
  • Increased iron demand during infancy, adolescence, menstruation, and pregnancy elevates deficiency risk, impacting physical and intellectual performance.
  • Iron supplementation can disrupt the cycle of malnutrition and poverty, but requires careful consideration of potential iron overload risks.

Purpose of the Study:

  • To evaluate the effectiveness and safety of food fortification as a public health intervention for iron deficiency.
  • To explore strategies for optimizing iron bioavailability and preventing adverse effects like iron overload.
  • To identify suitable food vehicles and iron compounds for fortification programs in diverse settings.

Main Methods:

  • Review of existing literature on iron deficiency prevalence, risk factors, and intervention strategies.
  • Analysis of the benefits and risks associated with iron supplementation and food fortification.
  • Assessment of technical challenges and solutions for food iron fortification, including food vehicle selection and iron compound compatibility.

Main Results:

  • Food fortification has proven effective in reducing iron deficiency in numerous trials and is more cost-effective than individual supplementation in developing countries.
  • The risk of iron overload in the general population is low, particularly when fortification targets specific high-risk groups like infants, adolescents, and pregnant women.
  • Successful fortification requires matching the food vehicle and iron compound to optimize bioavailability and sensory qualities, with options like salt, sugar, spices, bakery products, and cereal staples.

Conclusions:

  • Food iron fortification is a viable and cost-effective strategy to combat widespread iron deficiency in developing countries.
  • Targeted fortification of specific population subgroups can mitigate risks of iron overload, especially in genetically predisposed individuals.
  • Tailoring fortification solutions to country-specific contexts, considering food vehicles and iron compounds, is crucial for successful implementation and public health impact.

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