Vitamin D plays a major rule in facilitating normal immune system function. IT enhances the function of immune cells, including T-cells and macrophages, that protect your body against pathogens.
Your body produces Vitamin D naturally when exposed to sunlight. However, up to 50% of the world’s population may not get enough sun, and 40% of U.S. residents are deficient in vitamin D. This is partly because people spend more time indoors, wear sunblock outside, and eat a Western diet low in good sources of this vitamin.
The recommended daily value (DV) of Vitamin D is 800 IU (20 mcg) from foods. If you don’t get enough sunlight, you are recommended to take 1,000 IU (25 mcg) of Vitamin D per day.
Here are 5 healthy foods that are high in vitamin D to help you boost your immune system and make it strong to keep you healthy.
1. Salmon
2. Herring
3. Cod Liver Oil
4. Egg yolk
5. Mushroom
Reference:
[1] Vitamin D the relation to the immune system
Vitamin D3: a helpful immuno-modulator
[2] World’s population may not get enough sunlight and vitamin D deficiency
Vitamin D deficiency: A single centre analysis of patients from 136 countries.
[3] Vitamin D Deficiency in US
Prevalence and correlates of vitamin D deficiency in US adults.
[4] Vitamin D in Salmond
An Evaluation of the Vitamin D3 Content in Fish: Is the Vitamin D Content Adequate to Satisfy the Dietary Requirement for Vitamin D?
[5] Vitamin D in Herring
[6] Vitamin D in Cod Liver Oil
[7] Vitamin D in egg yolk
Natural vitamin D content in animal products.
[8] Vitamin D is higher in free-ranch’s egg due to more exposure of sun light
Free-range farming: a natural alternative to produce vitamin D-enriched eggs.
[9] Vitamin D in egg from chickens that are given vitamin-D-enriched feed
Effects of vitamin D(3) -enriched diet on egg yolk vitamin D(3) content and yolk quality.
[10] Mushroom can produce Vitamin D2
Safety assessment of the post-harvest treatment of button mushrooms (Agaricus bisporus) using ultraviolet light.
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