Vitamin D - Mayo Clinic
2023年8月10日 · Vitamin D is a nutrient your body needs for building and maintaining healthy bones. That's because your body can only absorb calcium, the primary component of bone, when vitamin D is present. Vitamin D also regulates many other cellular functions in your body.
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 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 deficiency: Can it cause high blood pressure?
2023年4月7日 · A low vitamin D level seems to increase the risk of heart disease and death due to the condition. A low vitamin D level may make a person more likely to have high blood pressure and diabetes. These conditions are risk factors for heart disease. It's unclear whether a daily vitamin D supplement protects against heart attacks and strokes.
Vitamin d and related compounds (oral route, parenteral route)
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 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 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.
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.
Hyperparathyroidism - Diagnosis & treatment - Mayo Clinic
2022年5月17日 · The daily recommended amount of vitamin D is 600 international units (IUs) of vitamin D a day for people ages 1 to 70 and 800 IUs a day for adults age 71 and older. Talk to your provider about dietary guidelines that are right for you. Drink plenty of fluids.
Rickets - Symptoms & causes - Mayo Clinic
2021年2月25日 · Vitamin D helps your child's body absorb calcium and phosphorus from food. Not enough vitamin D makes it difficult to maintain proper calcium and phosphorus levels in bones, which can cause rickets. Adding vitamin D or calcium to the diet generally corrects the bone problems associated with rickets.