Vitamin D toxicity: What if you get too much? - Mayo Clinic
2022年3月22日 · Vitamin D toxicity, also called hypervitaminosis D, is a rare but potentially serious condition that occurs when you have excessive amounts of vitamin D in your body. Vitamin D toxicity is usually caused by large doses of vitamin D supplements — not by diet or sun exposure. That's because your body regulates the amount of vitamin D produced ...
Vitamin d and related compounds (oral route, parenteral route)
2024年2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.
Vitamin D - Mayo Clinic
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 ...
Vitamin D for babies: Are supplements needed? - Mayo Clinic
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.
Vitamin D deficiency - Mayo Clinic
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.
Vitamin D and MS: Is there any connection? - Mayo Clinic
2023年4月19日 · Research has shown that maintaining enough vitamin D in the body may lower the risk of multiple sclerosis (MS). Several studies have shown that people who get more sun exposure and vitamin D in their diets are less likely to have MS. Taking vitamin D supplements is considered an important way to modify your risk of the disease.
Hypercalcemia - Symptoms and causes - Mayo Clinic
2024年3月8日 · Conditions such as tuberculosis and sarcoidosis can raise blood levels of vitamin D. That in turn spurs the digestive tract to absorb more calcium. Genetic factors. A rare genetic condition called familial hypocalciuric hypercalcemia causes an increase of calcium in the blood. This condition doesn't cause symptoms or complications of hypercalcemia.
Vitamin A - Mayo Clinic
This weight-loss drug can decrease the absorption of food sources of vitamin A. Your doctor might suggest that you take a multivitamin with vitamin A and beta-carotene while taking this medication. Retinoids. Don't use vitamin A supplements and these oral prescription drugs at the same time. This could increase the risk of high vitamin A blood ...
Too much vitamin C: Is it harmful? - Mayo Clinic
2022年4月28日 · The recommended daily amount for vitamin C is 75 milligrams (mg) a day for women and 90 mg a day for men. During pregnancy, 120 mg a day are recommended. The upper limit for all adults is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, large doses of vitamin C supplements might cause: Diarrhea; Nausea; Vomiting ...
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
2024年7月6日 · Vitamin D, like other vitamins and minerals, helps the body work. And vitamin D is known to have a role in the body's defenses against germs. These defenses also are called the immune response. Researchers are looking at the effect of vitamin D levels on infection with the COVID-19 virus. Some researchers study ways to prevent illness.