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Doctor insights on: Uses Of Vitamin D In The Body

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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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Dr. Randy Baker
1,828 doctors shared insights

Vitamin D (Definition)

Vitamin d is a vitamin which is a kind of nutritional agent ...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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Lack of vitamin d can cause pain i back muscles ?And is there some medicine that can increase vitamim d in the body?

Lack of vitamin d can cause pain i back muscles ?And is there some medicine that can increase vitamim d in the body?

Take Vitamin D: Vit d deficiency is very common ; chronic back pain is a common symptom.The best way to increase d is exposure to mid-day sun on bare skin but in most of the us it is impossible to get adequate d from sun in fall ; winter.At that time the best option is to take vit d3; most adults need 5-8000 iu/day to achieve optimal levels.See http://bit.Ly/1ekkvkv ; http://bit.Ly/1dc7vna ; http://bit.Ly/1fnt3ox. ...Read more

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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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Can I use vitamin d alone, im 40years old?

Can I use vitamin d alone, im 40years old?

Yes: If your vitamin d level is low, you will need to replace it with vitamin d. The "alone" or pure version is the quickest way to replace. ...Read more

Dr. Linda DiMeglio
1,026 doctors shared insights

Calcitriol (Definition)

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