Vitamin D supplements of little value in pregnancy: study

The value of vitamin D supplementation in pregnancy has been questioned by a major randomised controlled trial showing that it has no benefit on neonatal bone health.

A UK trial in which more than 1100 pregnant women were given 1000 IU a day of cholecalciferol or placebo found that supplementation had no effect on bone mass of the offspring.

However, there was a suggestion of benefit on bone mass in babies born in the winter months, according to the study findings, published in the Lancet Diabetes and Endocrinology.

An accompanying commentary by a New Zealand endocrinologist said vitamin D