Girls who receive vitamin D supplements during infancy have increased bone mineral density in later childhood. The improved bone mineral density, if maintained throughout life, may reduce the risk of broken bones in old age.
According to the authors, vitamin D supplementation throughout childhood might warrant serious consideration as a method of preventing bone disease and injury in older women. They believe that the issue deserves further investigation.
The Journal of Clinical Endocrinology and Metabolism December 1999;84:4541-4544.