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Effectiveness of Dietary Intervention with Iron and Vitamin C Administered Separately in Improving Iron Status in Young Women

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  • Dominika Skolmowska

    (Department of Dietetics, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (SGGW-WULS), 159C Nowoursynowska Street, 02-776 Warsaw, Poland)

  • Dominika Głąbska

    (Department of Dietetics, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (SGGW-WULS), 159C Nowoursynowska Street, 02-776 Warsaw, Poland)

Abstract

In order to maintain an adequate iron status in young women, effective dietary interventions should provide sufficient amounts of iron in everyday meals and improve the bioavailability of non-heme iron by providing vitamin C. While some intervention studies administering products rich in vitamin C in conjunction with iron sources showed improved iron status, it is unknown whether a separate administration of products rich in iron and vitamin C may be a successful strategy as well. The aim of this study was to assess the effectiveness of dietary intervention with iron and vitamin C administered separately in improving iron status in young women to prevent iron deficiency anemia. The study was conducted in a group of 29 women aged 18–30, and an 8-week dietary intervention was performed. Study participants with an adequate iron status received 50 g of iron-fortified oat flakes (as a source of non-heme iron) with breakfast and 200 mL of orange juice (as a source of vitamin C) in the second part of the day. Iron status was analyzed based on red blood cells, hemoglobin, hematocrit, serum ferritin, and serum iron, and it was assessed at baseline, after 4 weeks, and after 8 weeks of the intervention. The intakes of iron, vitamin C, and folate were controlled throughout the study period, and menstrual blood loss was estimated. After 8 weeks of intervention, statistically significant differences compared with baseline were observed only for hematocrit, as its level after 8 weeks of intervention was higher than the baseline ( p = 0.0491). Comparing subsamples within the dietary intervention considered effective and ineffective for red blood cell levels, it was indicated that lower baseline vitamin C intake may result in a more effective dietary intervention ( p = 0.0231). Comparing subsamples within the dietary intervention considered effective and ineffective for hemoglobin, hematocrit, iron, and serum ferritin levels, it was indicated that higher baseline levels of hemoglobin ( p = 0.0143), hematocrit ( p = 0.0497), iron ( p = 0.0101), and serum ferritin ( p = 0.0343) respectively may result in a more effective dietary intervention. It was concluded that dietary intervention with iron and vitamin C administered separately may be effective in improving iron status in young women to prevent iron deficiency anemia. It may be concluded that in the studied group, a better baseline iron status and lower baseline vitamin C intake may result in a more effective dietary intervention with iron and vitamin C administered separately to improve iron status in young women.

Suggested Citation

  • Dominika Skolmowska & Dominika Głąbska, 2022. "Effectiveness of Dietary Intervention with Iron and Vitamin C Administered Separately in Improving Iron Status in Young Women," IJERPH, MDPI, vol. 19(19), pages 1-19, September.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:19:p:11877-:d:919897
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    References listed on IDEAS

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    1. Dominika Głąbska & Ewa Malowaniec & Dominika Guzek, 2017. "Validity and Reproducibility of the Iodine Dietary Intake Questionnaire Assessment Conducted for Young Polish Women," IJERPH, MDPI, vol. 14(7), pages 1-17, June.
    2. Hanna Górska-Warsewicz & Krystyna Rejman & Joanna Kaczorowska & Wacław Laskowski, 2021. "Vegetables, Potatoes and Their Products as Sources of Energy and Nutrients to the Average Diet in Poland," IJERPH, MDPI, vol. 18(6), pages 1-23, March.
    3. Ruben Sanchez-Sabate & Joan Sabaté, 2019. "Consumer Attitudes Towards Environmental Concerns of Meat Consumption: A Systematic Review," IJERPH, MDPI, vol. 16(7), pages 1-37, April.
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