A position paper authored on behalf of the International Osteoporosis Foundation (IOF) Vitamin D Working Group summarizes the burden of vitamin D deficiency and public health approaches for its prevention in global populations, addressing key issues such as global variations in vitamin D concentrations, methodological issues with testing, guidelines, screening, supplementation and food fortification.
In this pre-specified secondary analysis of the NiPPeR double-blind randomized controlled trial, Keith M Godfrey and colleagues investigate maternal B-vitamin and vitamin D status before, during and after pregnancy, and the influence of supplementation preconception and during pregnancy