Since the first, vitamin D is known to play in the formation of healthy bones.
However, recent investigations would benefit a wider range of vitamin D continues to be done.
In addition to support bone health, vitamin D is also important for the formation of a variety of gene body.
Some foods are known to have a lot of vitamin D. These foods include salmon, mackerel, sardines, or tuna.
Additionally, milk, cheese, and cereals are also good sources of vitamin D. One glass of milk is estimated to contain about 100 IU of vitamin D.
However unique, the body was able to produce vitamin D. 40% of the skin exposed to ultraviolet B (UVB) sun for about 15-30 minutes will produce 20,000 IU of vitamin D.
This fact is quite surprising, considering the daily requirement of vitamin D is actually only about 400 IU.
Increasing evidence suggests a lack of vitamin D production will inhibit the function of immune system and open the entrance of various diseases.
If you use a sunscreen lotion with an SPF rating greater than eight, the production of vitamin D will be reduced to 95% or more.
To meet the needs of vitamin D, taking supplements can be an option to ensure the adequacy of its needs.
Studies show that having sufficient levels of vitamin D could reduce the risk of most of the addition of age-related diseases, to colds and influenza.
One study even suggested 75% of all deaths from colon and breast cancer can be prevented by maintaining adequate levels of the vitamin D.
Dosage recommendations
Because of the importance of vitamin D, not impossible in the future doctors will insert the level of vitamin D in health checks.
Although the daily dose of vitamin D of 400 IU is recommended only, larger intake may be needed to ensure the proper functioning of all body systems.
In the flu season, vitamin D intake can be increased to 5,000 IU - 10, 000 IU.
Healthy children under the age of two years should take 1,000 IU of vitamin D. Being children over the age of two years recommended taking 2,000 IU of vitamin D supplement every day.
