Vitamin D

What is Vitamin D?

Vitamin D has been very popular in the media lately. There are two forms of Vitamin D that are important for humans: D2 and D3. Vitamin D2 is made by plants and Vitamin D3 which is made by human skin.Human skin cells can make Vitamin D from sunlight. Some wavelengths of UVB light can cause Vitamin D to be formed. However, in certain areas around the world these UV rays are not available all times during the year. Vitamin D is also a fat soluble vitamin. Vitamin D is a hormone in your body. There is a lot of research going on about what the daily values of Vitamin D is because more research is being done on how affective certain forms of Vitamin D are.

Where can I find Vitamin D in my diet?

Vitamin D has been an essential nutrient in the United States since 1943. Meaning that it must be ingested to have the proper amounts in your body. The best way to get Vitamin D is supplementation. It is very difficult to get proper amounts of Vitamin D from food sources. Some foods do contain some Vitamin D, however it is questionable whether this is enough in the body. Sunlight is always the best way to obtain Vitamin D, but unless you sit outside all day with no clothes on, it is almost impossible to get the proper amounts of Vitamin D needed daily.

Why is Vitamin D important?

Vitamin D is important for bone health, blood sugar controls and immunity. Vitamin D deficiency can lead to rickets or osteomalacia. Vitamin D acts as a hormone and increased calcium in the blood stream. However, Vitamin D is only good for bone health if there is proper amounts of calcium in the blood. People with low Vitamin D levels are at a higher risk for high blood sugar and diabetes and this is considered a risk factor for diabetes. Vitamin D is one of the many hormones involved in the maturation of white blood cells. Therefore, it is very important for the body. Vitamin D has also been linked to mood disorders. There is research being conducted on how low Vitamin D effects mood and how this can play a role in depression and anxiety.

REFERENCES:

http://www.nlm.nih.gov/medlineplus/ency/article/002405.htm

http://www.whfoods.com/genpage.php?tname=nutrient&dbid=110