The Effects of Vitamin B12 Deficiency on Breastfeeding Women and Their Children Vitamin B-12 Concentrations in Breast Milk Are Low and Are Not Associated with Reported Household Hunger, Recent Animal-Source Food, or Vitamin B-12 Intake in Women in Rural Kenya

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It is important to supplement the maternal diet with certain vitamins, such as vitamin B12, during pregnancy and lactation. But in some areas, especially in underdeveloped countries, vitamin supplements are not available,