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What are the risks of vitamin D deficiency? Answer From Katherine Zeratsky, R. With Katherine Zeratsky, R. Thank you for Subscribing Our Housecall e-newsletter will keep you up-to-date on the latest health information. Please try again. Something went wrong on our side, please try again. Show references Vitamin D. Merck Manual Professional Version. Accessed May 20, Dietary Reference Intakes for calcium and vitamin D. Institute of Medicine. There are also vitamin D supplements, both in pills and a liquid for babies.
If you have vitamin D deficiency, the treatment is with supplements. Check with your health care provider about how much you need to take, how often you need to take it, and how long you need to take it. Getting too much vitamin D known as vitamin D toxicity can be harmful. Signs of toxicity include nausea, vomiting, poor appetite, constipation, weakness, and weight loss.
Excess vitamin D can also damage the kidneys. Too much vitamin D also raises the level of calcium in your blood. High levels of blood calcium hypercalcemia can cause confusion, disorientation, and problems with heart rhythm.
Most cases of vitamin D toxicity happen when someone overuses vitamin D supplements. Excessive sun exposure doesn't cause vitamin D poisoning because the body limits the amount of this vitamin it produces. The information on this site should not be used as a substitute for professional medical care or advice.
Contact a health care provider if you have questions about your health. What is vitamin D deficiency? Vitamin D deficiency means that you are not getting enough vitamin D to stay healthy.
Why do I need vitamin D and how do I get it? How much vitamin D do I need? What causes vitamin D deficiency? You can become deficient in vitamin D for different reasons: You don't get enough vitamin D in your diet You don't absorb enough vitamin D from food a malabsorption problem You don't get enough exposure to sunlight. Your liver or kidneys cannot convert vitamin D to its active form in the body.
You take medicines that interfere with your body's ability to convert or absorb vitamin D Who is at risk of vitamin D deficiency? Some people are at higher risk of vitamin D deficiency: Breastfed infants, because human milk is a poor source of vitamin D. If you experience hair loss, you may be interested in the 14 best foods for hair growth. Hair loss may be a sign of vitamin D deficiency in female pattern hair loss or the autoimmune condition alopecia areata.
A few studies have found that taking high-dose vitamin D supplements may reduce various types of pain in people who are deficient 42 , It may have to do with the interaction between the vitamin and pain-sensing nerve cells. Obesity is one risk factor for vitamin D deficiency One longitudinal study including men and women found a possible link between low vitamin D status and both abdominal fat and increased weight.
However, this study found that such effects were more prominent in men Another review confirms that while vitamin D deficiency may be seen in cases of obesity, further studies are needed to determine whether vitamin D could help prevent weight gain According to one review, levels of calcidiol, a form of vitamin D, was found to be lower in people with anxiety, as well as those with depression A separate study in pregnant women found that vitamin D levels could help reduce anxiety, improve sleep quality, and possibly help prevent postpartum depression Treatment for vitamin D deficiency primarily consists of supplementation.
If your doctor determines that you are indeed lacking this nutrient, they may recommend the following options. A vitamin D deficiency may be treated with vitamin D supplementation. You may find these easily over the counter, but you should ask your doctor for specific recommendations to ensure the right dosage. These come in much stronger doses of up to 50, IU Another potential option your doctor may consider is vitamin D injections Aside from vitamin D supplementation, your doctor may recommend adding more vitamin-D-rich foods to your daily diet.
Options may include 52 :. Since sunlight is also a natural source of vitamin D, your doctor may recommend going outside more often. People who live near the equator and get frequent sun exposure are less likely to be deficient, as their skin produces enough vitamin D. As a rule of thumb, you may consider asking your doctor to check for vitamin D deficiency if you notice any possible symptoms and have any risk factors.
They can check your vitamin D levels with a blood test. You can either increase your sun exposure or add more vitamin-D-rich foods to your diet, such as fatty fish or fortified dairy products. In some cases, your doctor may also recommend taking a vitamin D supplement. You can find a variety of vitamin D supplements on Amazon. Vitamin D is very important for your health, but it is possible to get too much of it.
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