Background and objectivePoor vitamin D status during pregnancy has been associated with unfavorable outcomes for mother and child. Thus. adequate vitamin D status in women of childbearing age may be important. The aim of this study is to investigate the determinants of 25-hydroxyvitamin D (25(OH)D) serum concentrations in women of childbearing age living in Sweden. https://parisnaturalfoodes.shop/product-category/grape-seed/