Vitamin D, has a fat-soluble vitamin, is important for strong teeth and bones and promotes the absorption of the minerals calcium and phosphorus in the body. Vitamin D also plays a role in maintaining the strength and the proper functioning of the muscles. The main source of vitamin D is sunlight. Vitamin D is synthesized in the skin under the influence of sunlight.
Vitamin D is only found in foods
of animal origin. These foods include but generally very little vitamin D. An exception are fatty fish (such as eel, salmon and mackerel). These contain slightly more vitamin D.
When can be extra vitamin D is used by:
- children under four years
- people from 4 to 50 (women) or 70 (men) who have dark skin or spend enough time outdoors;
- 50 women who wear a veil;
- women who are pregnant or breastfeeding;
- women aged 50 and men aged 70 and over who have light skin and enough time outdoors.
- does not apply to children who are daily more than half a liter of infant formula or follow-on milk.