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  • Vitamin D toxicity: What if you get too much? - Mayo Clinic
    Vitamin D toxicity is a rare condition that happens when too much vitamin D is in the body The condition can have serious effects on health Another name for it is hypervitaminosis D Cause of vitamin D toxicity Vitamin D toxicity usually is caused by taking large doses of vitamin D supplements
  • Vitamin D - Mayo Clinic
    Use vitamin D with care if you take a medicine affected by these enzymes One such medicine is the cholesterol-lowering medicine lovastatin (Altoprev) Digoxin (Lanoxin) Don't take high doses of vitamin D with this heart medicine High doses of vitamin D can cause too much calcium in the blood, called hypercalcemia
  • Mayo Clinic Q and A: How much vitamin D do I need?
    Discuss with your health care provider if it may be beneficial to check your vitamin D level If you have ongoing health concerns or a chronic health condition, talk to your health care provider before you begin taking any dietary supplement, including vitamin D He or she can help you decide if supplements are appropriate for your situation
  • Vitamin D Toxicity Rare in People Who Take Supplements, Mayo Clinic . . .
    The IOM-recommended upper limit of vitamin D supplementation for people with low or deficient levels is 4,000 IU a day It's important for doctors to ask their patients about the doses of vitamin D supplements that they are using, Dr Thacher says, because even capsules containing as much as 50,000 IU of vitamin D are available without
  • Mayo Clinic Q and A: Getting enough vitamin D
    However, taking too much vitamin D can overly increase your absorption of calcium, leading to problems such as kidney stones and damage to your heart and blood vessels The National Academy of Medicine recommends an upper limit of 4,000 international units a day to be safe
  • If You Choose to Take Vitamins as Supplements, Stick to the RDA
    Both taking too much or getting too little of a certain vitamin can cause health problems Take vitamin B6 (pyridoxine) as an example If you have too little vitamin B6 in your body, nerve problems may result Interestingly, if you get too much vitamin B6, that can also cause a problem with your nerves You need just the right amount of B6 for
  • Vitamin A - Mayo Clinic
    Vitamin A also is added to some foods, such as milk, margarine and cereals Colorful fruits and vegetables, such as carrots and cantaloupe, are high in beta-carotene The body changes beta-carotene into vitamin A Taking too many vitamin A supplements can be harmful Most people who eat a variety of food don't need to take vitamin A supplements
  • Vitamin D deficiency - Mayo Clinic
    Some mushrooms are treated with ultraviolet light, which gives them more vitamin D It's possible to get too much vitamin D This mainly happens if you take supplements Studies haven't shown that high levels of vitamin D help health more In fact, too much vitamin D has been linked to health issues If you're concerned about getting enough
  • Calcium and calcium supplements: Achieving the right balance
    To absorb calcium, your body also needs vitamin D A few foods naturally contain small amounts of vitamin D, such as canned salmon with bones and egg yolks You can also get vitamin D from fortified foods and sun exposure The RDA for vitamin D is 600 international units (15 micrograms) a day for most adults
  • Hypercalcemia - Symptoms and causes - Mayo Clinic
    The kidneys to release less calcium and activate more vitamin D Vitamin D plays a key role in the body's ability to absorb calcium This delicate balance between too little calcium in the blood and hypercalcemia can be affected by various factors Hypercalcemia can be caused by: Overactive parathyroid glands This also is called





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