Vitamin D:
1. Introduction
Vitamin D is an essential nutrient for human health, including bone health and the immune system. It is often referred to as “the sunshine vitamin” because our bodies can synthesize it when the skin is exposed to the sun’s ultraviolet rays.
2. Sources of vitamin D
Vitamin D can be obtained by:
Sun exposure: When the skin is exposed to the sun, it produces vitamin D. However, this production can be influenced by factors such as geographical latitude, season, time of day, skin color, and sunscreen use.
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Vitamins and supplements
Diet: Some foods are rich in vitamin D, although food sources are relatively limited. Some of the best sources include:
Fatty fish such as salmon, mackerel and sardines
Cod liver
Egg yolks
Fortified dairy products
Fortified cereals
Supplements: For those who have difficulty getting enough vitamin D through food or sunlight, supplements may be a good option.
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