The best food sources of vitamin D are oily fish, including salmon, mackerel, and sardines.
- Other sources include egg yolks, red meat, and liver.
- Vitamin D is added to some foods too, including breakfast cereals, plant milks and fat spreads.
Fortification is practice of deliberately increasing content of one or more micronutrients (i.e., vitamins and minerals) in food or condiment to improve nutritional quality of food supply and provide public health benefit with minimal risk to health.