У пациентов с низким уровнем витамина А в крови, особенно у беременных и кормящих, добавление витамина А в рацион может снизить риск развития ЖД(А) и способствовать повышению гемоглобина:
vitamin A supplementation reduces the risk of anemia by 26% and raises hemoglobin levels, compared to non-treated group, independent of the life stage; vitamin A supplementation did not alter the prevalence of iron deficiency among the clinical trials conducted with children and teenagers (RR 0.82, 95% CI 0.60 to 1.12, p = 0.204), whereas a significant increase in serum ferritin levels was observed in trials conducted with pregnant and lactating women (WMD 6.61 μg/L; 95% CI 6.00 to 7.21 μg/L; p < 0.001);
vitamin A supplementation alone may reduce the risk of anemia, by improving hemoglobin and ferritin levels in individuals with low serum retinol levels.
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Crit Rev Food Sci Nutr. 2018 Jan 16:0.
Effect of vitamin A supplementation on iron status in humans: a systematic review and meta-analysis.
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