Vitamin D is a nutrient involved in regulating serum calcium.
Since milk, human as well as cow’s, is not a good source of vitamin D, a small supplement is required for both breast-fed and bottle-fed infants.
Fish liver oil preparations are normally used as supplements for the supply of vitamins A and D.
Food sources of vitamin D come in natural and fortified forms. Fortified forms are included in milk, cereals, and some margarines.
The chief food sources of vitamin D in western doest are fortified milk and cereals, and fatty fish.
Natural sources include fish oils, salmon, sardines, herring, egg yolks and liver. Two basic substances with vitamin D activity, D2 and D3, occur only in yeast and fish liver oils.
Mushroom also contain a small amount of vitamin D. This include mushroom shiitake and maitake mushroom – when they are dried outdoors such as under the summer sun for six and eight hours.
Vitamin D sources
