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Doctor insights on: What Does Vitamin D3 Do For The Body

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Is vitamin d good for your body?

Is vitamin d good for your body?

D does many things!: Vitamin d3 is quite essential for many things. The skin will make this on exposure to sunlight, but most people still need it as a supplement. It is necessary to absorb calcium from the GI tract, and prevent osteoporosis. But it bolsters the immune system, helps prevent prostate, breast, and colon cancers, and heart disease as well. ...Read more

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What does vitamin d do for the body?

Active hormone: Hi. Vitamin D per se has no direct effect in the body. Vitamin D is 25-hydroxylated in the liver. 25-hydroxyvitamin D is converted to the active hormone, calcitriol, in a tightly regulated step in the kidneys. Calcitriol is the active agent. It regulates gene expression in target tissues (gut, bone, muscle, etc). Calcitriol helps with calcium homeostasis, bone & muscle health, balance, etc. ...Read more

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How long does vitamin d stay in body?

How long does vitamin d stay in body?

Fat soluble: Vitamin d is fat soluble and can stay in your body indefinitely unless it is used up by not replenishing it. ...Read more

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How do our bodies make vitamin d outside?

How do our bodies make vitamin d outside?

Its made inside: Sun exposure is an easy, reliable way for most people to get vitamin d. Exposure of the hands, face, arms, and legs to sunlight two to three times a week for about one-fourth of the time it would take to develop a mild sunburn will cause the skin to produce enough vitamin d. The necessary exposure time varies with age, skin type, season, time of day, etc. Still, vitamin d deficiency is very common. ...Read more

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How long does vitamin d stay in your body?

3 mos: Vitamin d is fat soluble, so once your level is stable on replacement it takes up to 3 mos to decline back to the prior level. ...Read more

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How is level of vitamin d in the body lowered?

How is level of vitamin d in the body lowered?

VIT D: Is made in the skin and the light spectrum needed is best between noon and three pm daily for 15-20 minutes -without sunscreen. Sunscreen blocks vit d synthesis by 95%. Staying indoors and not being in sun between 10 am and 4 pm reduces our exposure. As said before... Poor diet and chronic illnesses . And living above the 34th parallel all contribute. Serum levels are optimal at 50-70. ...Read more

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Can vitamin d already present inside our body?

Can vitamin d already present inside our body?

No it is produced by: No it is produced by exposure to sunlight. ...Read more

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How many ways is vitamin d good for your body?

How many ways is vitamin d good for your body?

Bone health: It is widely agreed that vitamin d is important for bone health. Other benefits are controversial but include help in fighting infections, help in preventing diabetes, and help in preventing depression. ...Read more

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Can you tell me how the body produce vitamin d?

Enough sunlight: Hi. Humans can make our own vitamin D in the skin upon exposure to UV light in sunlight. This vitamin D (vitamin D3) then has a hydroxyl group (-OH) added on to the 25 position in the liver in an unregulated step, creating 25(OH)vitamin D. This is then converted to the active form, calcitriol by addition of an -OH group at the 1 position in a tightly regulated step (regulated by PTH and FGF-23). ...Read more

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What's a good way to get more vitamin d in my body?

What's a good way to get more vitamin d in my body?

Stay out: In the sun, but sunscreen will block the rays. Eat more food with natural or added vitamin d content. Take a vitamin d supplement -- usually 2000 u vitamin d3/day for most people. Check w/your doctor to get measured and advised. ...Read more

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What does vitamin d do for your body? Is it necessary?

What does vitamin d do for your body? Is it necessary?

Vitamin D benefits: Vitamin D can help prevent heart disease, diabetes, osteoporosis, & even some cancers. Because many of us can't get enough from the sun, taking a supplement may be a good idea for some. Get your levels checked at your next check-up so you'll know if you need more. (Ref. Bhg.com) ...Read more

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What does your body do with vitamin d if it doesn't absorb it?

What does your body do with vitamin d if it doesn't absorb it?

Excreted in urine ;: The government requirement for minimum levels of vit d is too low. This is the level you need to prevent rickets! You need to have your vitamin d level checked in your blood. When you replace vitamin d with supplements you need to take vitamin d3. Excess vit d that is not absorbed will go out in your stool and urine. ...Read more

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Can you tell me how your body produce vitamin d from sun light?

Can you tell me how your body produce vitamin d from sun light?

Vitamin D: Vitamin D is absorbed by your skin when exposed to sunlight in late spring and in summer.
That does not mean that you should not use sunscreen.

Enjoy your summer but also go to a store and buy vitamin D 1000 units — they are inexpensive and not harmful. ...Read more

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What's the importance of having enough vitamin d in your body/system?

Importance of Vit D: It is very important to have vitamin d levels over 30 in most of the people because we know that vitd protects us against cardiovascular disease, cancers, cognitive impairment, hypertension, type 2 diabetes, asthma in children.
Unfortunately we don't get enough vit d in our diet and do not get enough sun exposure to make vit d in our body. ...Read more

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What is vitamin d for in the body and is it the most important vitamin?

Help to build strong: Bone, your body uses vitamin d as a vehicle to help absorb the calcium you take in from food. Proper levels of calcium promote strong, dense bones. If your vitamin d levels are low, you are at risk for fractures and osteoporosis. ...Read more

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Is vitamin d already present inside the body or do we just generate it by staying in the sunlight and eating vitamin d foods?

Produced by sunligh: It is produced by exposure to sun light, but some foods are fortified like milk. There are small quantities of vit d in salmon, mackerel, mushrooms, cod liver oil, tuna canned in water, sardines canned in oil, egg yolk, milk or yogurt, cheese and beef or calf liver. ...Read more

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How long do I need to expose my body to the sun (per day) to get vitamin d and sun benefits? Is it fine at any time of the day?

Latitude and time: During summer, you need about 20 min at mid day, longer at other times of day. In winter, or extreme northern latitudes, it takes longer. This is why there is usually a seasonal winter drop in blood vit d levels. ...Read more

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Will laying out in sun w proper body exposure for 20 min be just as effective as taking vitamin d pill? How many iu d u get from 20m sun?

Will laying out in sun w proper body exposure for 20 min be just as effective as taking vitamin d pill? How many iu d u get from 20m sun?

Actually better: Sun exposure is the way that mother nature intended us to get our vitamin d. It is poorly absorbed by mouth but it is worth getting the blood level of d3 checked. Some people have difficulty in turning cholesterol into vitamin d from sunlight. ...Read more

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What do vitamin d and calcium do in the body?

What do vitamin d and calcium do in the body?

Bone health & more: Vitamin D & calcium are involved in bone health eg prevention of rickets & osteoporosis — check out http://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/health-tip/art-20048544. The heart, muscles & nerves also need calcium to function properly — check out http://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/calcium-supplements/art-20047097 ...Read more

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What is the mechanism by which our bodies make vitamin d?

What is the mechanism by which our bodies make vitamin d?

Sunlight: Sunlight on the skin helps convert cholecalciferol to 25 hydroxycholecalciferol. Then the kidney adds another hydroxy to make 1, 25 dihydroxycholecalciferol which is active vitamin d. ...Read more

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Is it possible that taking Prozac depletes vitamin d in your body or keep body from synthesizing it?

Is it possible that taking Prozac depletes vitamin d in your body or keep body from synthesizing it?

Not really.: This is not a reported or expected consequence of taking this medication. By the way, many consider normal Vit D levels anything greater than 20. Given your latitude you might expect your levels to be a bit on the low side. ...Read more

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How do I increase vitamin d in my body. Any specific fruit or vegitable?

How do I increase vitamin d in my body. Any specific fruit or vegitable?

Dairy/Supplements: Usually dairy products have vit d. Also, certain cereals, breads may be fortified with vitamin d. ...Read more

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If I am a body builder with 6% body fat is my serum vitamin d requirement higher than normal peoples(>30)?

If I am a body builder with 6% body fat is my serum vitamin d requirement higher than normal peoples(>30)?

No reason: There is no evidence that a level way higher than 30 will do any good. Even > 20 may do the job. Why would you ever ask this question? ...Read more

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I take vitamin D and calcium every day. I'm 56 and was told when we get older the body doesn't absorb enough D from sunlight. Is this true?

I take vitamin D and calcium every day. I'm 56 and was told when we get older the body doesn't absorb enough D from sunlight. Is this true?

Measurement Required: Cannot correctly begin to control what is unknown/not measured. Healthy vitamin D3 (what counts) concentrations in the 70-80 ng/ml range. Vitamin D is not absorbed from sun. Sun tends to trigger conversion of a little cholesterol in skin cells to Vit D, then converted in liver to D2 & by kidneys & other tissues to D3. D3 impt for Ca absorption from food, bone & muscle strength + immune function. ...Read more

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Hi! I have a very low rate of calcium and vitamin d in my body! So I was told to take vitamind by pills but is there another way to raise that rate?

Hi! I have a very low rate of calcium and vitamin d in my body! So I was told to take vitamind by pills but is there another way to raise that rate?

Depends on cause?: You got to have reason for low Calcium level. We don't know how low your calcium level is&if you are symptomatic. Calcium in blood is bound to albumin, so if your albumin level is low it will show low calcium level. The other causes are Hypoparathyroidism, High level of phosphate due to kidney disease, celiac disease, pancreatitis and alcoholism. Treated by treating the cause and oral calcium and VitD ...Read more