Towards an adequate intake of vitamin D. An advisory report of the Health Council of the Netherlands.

In this report, the Health Council of the Netherlands advises the government on the best policies to achieve an adequate vitamin D supply for the Dutch population. People with a dark skin, those who spend little time outdoors, pregnant and lactating women, veiled women, elderly and children who do not receive vitamin D supplements or infant formula are at risk of vitamin D deficiency. To improve this, more consistent information about vitamin D should be provided. Spending at least 15 min a day outdoors in combination with a healthy diet generates sufficient vitamin D in children and adults with a light skin. All other groups need additional vitamin D from supplements (10-20 microg/day). Fortified foods can only provide part of the additional vitamin D needed.