Many of the scientific and regulatory challenges that exist in research on the safety, quality
and efficacy of dietary supplements are common to all countries as the marketplace for them …

Micronutrients, vitamins and minerals accessible from the diet, are essential for biologic
activity. Micronutrient status varies widely throughout pregnancy and across populations …

Background It has been reported that neural tube defects (NTD) can be prevented with
periconceptional folic acid supplementation. The effects of different doses, forms and …

Importance Nutrition during pregnancy is a critical dimension not only for women's health but
also for the lifelong health of the offspring. Very limited national data exist on the usual …

Objective To provide updated information on the pre-and post-conception use of oral folic
acid with or without a multivitamin/micronutrient supplement for the prevention of neural tube …

Background To examine the prospective association between multivitamin supplementation
during pregnancy and biomarker measures of maternal plasma folate and vitamin B12 …

Pregnancy entails a large negative balance of iron, an essential micronutrient. During
pregnancy, iron requirements increase substantially to support both maternal red blood cell …

Certain population sub-groups in the United States are vulnerable to micronutrient
malnutrition. Nationally representative data from the National Health and Nutrition …

Objective To determine an optimal population red blood cell (RBC) folate concentration for
the prevention of neural tube birth defects. Design Bayesian model. Setting Data from two …

Importance Iron deficiency is the leading cause of anemia during pregnancy. According to
survey data from 1999 to 2006, overall estimated prevalence of iron deficiency during …