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Doctor insights on: Production Of Vitamin D In The Skin

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What is the function of vitamin d from sun?

What is the function of vitamin d from sun?

You need sunlight : You need sunlight exposure to produce vit d in your body. ...Read more

Dr. Randy Baker
1,865 doctors shared insights

Vitamin D (Definition)

Vitamin d is a vitamin which is a kind of nutritional agent ...Read more


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Can high levels of vitamin D ingestion increase the sensation of stools in the intestine?

Can high levels of vitamin D ingestion increase the sensation of stools in the intestine?

Not Really: We don't know what you mean by sensation of stools in the intestines but VitaminD will not have any effect on stools in intestine If you are taking high doses of vitamin D,You should get your 25 Hydroxy Vitamin D level checked by your doctor ...Read more

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What is the benefit of vitamin E in skin care?

What is the benefit of vitamin E in skin care?

Antioxidant: Vitamin e has strong antioxidant properties and is most effective when applied topically. I suggest combining vitamin e with a good quality vitamin c product to help repair damage caused by free radicals. ...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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What is the cause of vitamin d deficiency in sailors?

Vit d def in sailors: It could be from both nutrtional def and lack of sunlight if the saiore are sailing in areas with low or no sunlight ( e.g. Always foggy). ...Read more

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Is vitamin K producted in the colon?

Is vitamin K producted in the colon?

Yes: What a great question! Vitamin K is actually produced from bacterial flora in our large intestine and is an important component of blood clotting. Thanks for taking such an interest in your health! ...Read more

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What is the amount of vitamin K in human breast milk ?

What is the amount of vitamin K in human breast milk ?

Varies: Vit k is a fat soluble vitamin found in higher concentrations in colostrum, first milk letdown, i'm the first few days of lactation. After that, content lowers but still present. The committee on nutrition of the american academy of pediatrics has recommended 0.5-1.0 mg vit k1 be administered to all newborns shortly after birth to help with newborn vit k levels. Breastfeeding always recommended. ...Read more

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What is the prevalence rate of vitamin d deficiency globally and in asia in particular?

What is the prevalence rate of vitamin d deficiency globally and in asia in particular?

High: There isn't widespread screening but where it is screened for in many cases it is low especially in the context of any kind of ill health. Surprisingly this is true even in tropical countries where one would think sun exposure would prevent deficiency. One explanation is that it is being broken down by free cadmium, an air pollutant that has been increasing. Poor nutrition increases risk. ...Read more

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Lack of uv light between 270 and 300nm stops vit d production. Can the lack of a certain wavelengths of radiation stop a cancer cells growth?

Lack of uv light between 270 and 300nm stops vit d production. Can the lack of a certain wavelengths of radiation stop a cancer cells growth?

No: Please forgive my frankness. If somebody tells you otherwise, they are lying. This is as biologically preposterous as the idea that limiting certain wavelengths would end a pregnancy. Certain wavelengths of light catalyze conversion of vitamin D precursors to the real thing. Cancer is almost-healthy cells gone bad. ...Read more

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Is it actually true that artificial tanning lights will promote the production of vitamin d in the body?

Is it actually true that artificial tanning lights will promote the production of vitamin d in the body?

Yes but NO: This will increase your active d levels but do so with a significant risk of skin cancer well out of proportion to any potential benefit. If you want a safe tan get a spray tan and if you want vitamin d go for the pill supplements. ...Read more

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How do miners deal with the lack of vitamin d from the sun?

How do miners deal with the lack of vitamin d from the sun?

Supplements: Sunlight activates the production of vitamin d in the skin. Vitamin d isn't found naturally in very many foods, although milk is fortified with vitamin d. For people who don't spend much time in the sun, the only way to get enough vitamin d is to take dietary supplements. ...Read more

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What vitamin or minerals are responsible for the elasticity of the blood vessels?

What vitamin or minerals are responsible for the elasticity of the blood vessels?

Elasticity of blood vessels: Is a function off normal metabolism that depends on all the vitamin and minerals ...Read more

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Can a Vitamin D of 21 cause the blues? I can't be in the sun.

Can a Vitamin D of 21 cause the blues? I can't be in the sun.

Vit D blues: Can a Vitamin D of 21 cause the blues? I can't be in the sun. ANS: I just answered this question from you i think. Very unlikely. But easy to test. Work with your Dr. to take enough to get you blood level up to say 40 and see if the blues go away. If so stop it and see if they come back. Repeat this until you and your Dr are convinced that in you it does.. Let us know outcome. ...Read more

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What is the minimum uv index # to enable the body to produce vit d from the sun?

What is the minimum uv index # to enable the body to produce vit d from the sun?

No specific number: The higher the number the more the block. It also depends upon the location and sun exposure, skin color and many other factors. Better to protect the skin as necessary and take the d daily. ...Read more

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Do i stay out of the sun or in the sun? Cancer vs vit d deficiency

Moderation: The whole sun-exposure stuff confuses everyone. A very little exposure depending on your skin tone will get you enough vitamin d which you can also get from supplements; heavier exposure will photoage your skin and put you at a cancer risk. Vitamin d deficiency is very common especially in darker-skinned folks who live above the tropics. ...Read more

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Is Vitamin D required to absorb all types of Calcium? Can Mineral Water with 345mg/l of dissolved Ca, increase Ca levels without the use of Vit D?

Vit D Calcium: 54 M Is Vitamin D required to absorb all types of Calcium? Can Mineral Water with 345mg/l of dissolved Ca, increase Ca levels without the use of Vit D? ANS: best is to move to the DASH eating plan. The best high Ca diet that has been tested and overall best way to eat. Get this paperback and read/follow. ISBN 9780743410076 Keep us posted. ...Read more

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The causes of the deficiency of vitamin c?

The causes of the deficiency of vitamin c?

Lack of intake: All fruits and vegetables contain some amount of vitamin c. Malnutrition causes insufficient intake and therefore a deficiency. ...Read more

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What are the causes of low vitamin d levels apart from lack of sunlight?

Sunlight: Lack of sunlight and a poor diet are two of the bigger causes of a low vitamin d level. ...Read more

Dr. Linda DiMeglio
1,060 doctors shared insights

Calcitriol (Definition)

Calcitriol is a metabolic agent which is a kind of ...Read more