Question 1

what decreases vitamin d?

Accepted Answer

The roof: Most of the vitamin d in the body is produced by exposure to the sunshine. But, nowadays we live, work and drive under a roof so our body is not exposed to the sunlight.  Check this video i made about vitamin d. http://otwithmd.com/vitamin-d/.

Question 2

what foods have vitamin d?

Accepted Answer

Few natural sources: Fatty fishes (tuna, mackerel, catfish, salmon) are one source.  Eggs have some; beef liver has a little. Cod liver oil has a lot. Many dairy products and some cereals are fortified with vitamin d, meaning that vitamin d has been added to them. Of course you can also take a vitamin d supplement or multi-vitamin.  Sunlight causes your skin to produce vitamin d, so some call it the sunshine vitamin.

Question 3

why is vitamin d necessary?

Accepted Answer

Calcium absorption: Vitamin d is necessary for calcium and phosphorus absorption by the intestine.  This helps maintain normal bone.  It may also be important in other functions of the body but this is controversial.

Question 4

what are sources of vitamin d?

Accepted Answer

Sun and foods: The flesh of fatty fish (such as salmon, tuna, and mackerel) and fish liver oils are among the best sources. Small amounts of vitamin d are found in beef liver, cheese, and egg yolks. Some mushrooms provide vitamin d2 in variable amounts.   Ready-to-eat breakfast cereals often contain added vitamin d, as do some brands of orange juice, yogurt, margarine and other food products.

Question 5

what would be the latest ul for vitamin d?

Accepted Answer

Dosage?: I believe everyone should take at least 2000iu of d3 per day. It is not true that 15 min of sun will give us all we need.  But is true that higher levels in the body are cancer and heart disease protective, apart from bone health!

Question 6

vitamin d defficency?

Accepted Answer

Take supplements: A simple blood test can tell you if you are deficient. If severe i recommend 50k units weekly, if not 1000-4000u daily.

Question 7

vitamin d and colitis?

Accepted Answer

Vitamin D deficiency: People with ulcerative colitis, especially those who take corticosteroids, often have low levels of vitamin d and are at risk for osteoporosis.Many people with ulcerative colitis have vitamin and mineral deficiencies (because of loss of appetite, reduced absorption by the colon, and chronic diarrhea).

Question 8

what is vitamin d defeciency?

Accepted Answer

Vitamin D deficiency: The "normal" values for vitamin D vary between Caucasians, African-Americans, and Hispanics. Lowest in African Americans, highest in Caucasians.

Regrettably many (?most) doctors are not aware of this and often prescribe unnecessary vitamin D.

What is your ethnicity and what is your vitamin D level?

Question 9

can vitamin d give me energy?

Accepted Answer

No.: Vitamin d does a lot of things, and we find more all the time.  Primarily, though, it is associated with how the body uses calcium and with regulating genes that control parts of the immune system.  I don't know of any vitamin d/energy level connection.

Question 10

does vitamin d help with jra?

Accepted Answer

Yes: Yes, probably because so many of us are vitamin d deficient.

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