2022年10月7日 · Vitamin D deficiency — when the level of vitamin D in your body is too low — can cause your bones to become thin, brittle or misshapen. Vitamin D also appears to play a role in insulin production and immune function — and how this relates to chronic disease prevention and cancer — but this is still being investigated.

2023年8月10日 · Vitamin D supplements are used to treat adults with severe vitamin D deficiency, resulting in loss of bone mineral content, bone pain, muscle weakness and soft bones (osteomalacia). Osteoporosis. Studies suggest that people who get enough vitamin D and calcium in their diets can slow bone mineral loss, help prevent osteoporosis and reduce bone ...

2024年2月7日 · Vitamin B-12 deficiencies. Low levels of vitamin B-12 can be caused by: Diet. Vitamin B-12 is mainly found in meat, eggs and milk, so people who don't eat these types of foods may need to take B-12 supplements. Some foods have been fortified with B-12, including some breakfast cereals and some nutritional yeast products. Pernicious anemia.

2023年4月7日 · A vitamin D deficiency means you don't have enough vitamin D in your body. A lack of vitamin D makes bones weak. But the link between vitamin D and blood pressure isn't clear. In general, vitamin D may change how some body chemicals control blood pressure. The vitamin also seems to keep the lining of blood vessels flexible and healthy.

2023年4月19日 · Research studies have shown that taking 400 IU or more of vitamin D a day lowers the risk of MS in women. But if you're diagnosed with vitamin D deficiency, it may be appropriate to take up to 50,000 IU a week for up to three months. Once you've reached the recommended level of vitamin D, switch to a maintenance dose.

2024年5月14日 · Vitamin D supplementation depends on whether you breastfeed your baby or how much formula with vitamin D your baby drinks. These are the guidelines from the American Academy of Pediatrics for vitamin D for babies: Breastfed or partly breastfed babies need 400 international units (IU) of liquid vitamin D a day. This should start soon after birth.

2022年3月22日 · Doses higher than the RDA are sometimes used to treat medical problems such as vitamin D deficiency, but these are given only under the care of a doctor for a specified time frame. Blood levels should be monitored while someone is taking high doses of vitamin D. As always, talk to your doctor before taking vitamin and mineral supplements.

2025年2月1日 · For vitamin D deficiency: For oral dosage form (capsules): Adults—One capsule containing 5000 international units (IU) once a day. Children—Use and dose must be determined by your doctor. For oral dosage form (solution): Adults—One drop containing 1000 international units (IU) once a day or 2 times per day.

2024年7月6日 · Not having enough vitamin D also may raise the overall risk of lung illnesses, also called respiratory illnesses. If your level of vitamin D is too low, you'll likely hear your healthcare professional call it a vitamin D deficiency. On the other hand, having enough vitamin D may help people get the most out of their COVID-19 vaccinations.

2025年1月1日 · Claims that vitamin D is effective for treatment of arthritis and prevention of nearsightedness or nerve problems have not been proven. Some psoriasis patients may benefit from vitamin D supplements; however, controlled studies have not been performed. Injectable vitamin D is given by or under the supervision of a health care professional.