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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
    Overview Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy The body can absorb calcium only if it has enough vitamin D Calcium is a major part of bones Vitamin D also has many other uses in the body It supports immune health and helps keep muscles and brain cells working
  • Hypercalcemia - Symptoms and causes - Mayo Clinic
    Other causes of hypercalcemia include cancer, certain other medical conditions and some medicines Taking too much of calcium and vitamin D supplements also can cause hypercalcemia Some people have no symptoms of this condition Others have symptoms that range from mild to serious Treatment depends on the cause
  • Too much vitamin C: Is it harmful? - Mayo Clinic
    Vitamin C is an essential nutrient, but you can get too much of it If you're an adult, limit yourself to no more than 2,000 milligrams (mg) of vitamin C a day The recommended upper limit for children varies by age Getting too much vitamin C from food isn't likely to be harmful But large doses of vitamin C supplements can cause:
  • Vitamin D deficiency - Mayo Clinic
    And a vitamin D deficiency is a risk for people who follow an eating pattern that doesn't include foods with vitamin D or for people who have limited sun exposure Foods high in vitamin D include fatty fish, such as salmon or trout Foods with vitamin D added, called fortified, are another source of vitamin D These include milk and yogurt
  • Vitamin B-12 - Mayo Clinic
    Vitamin B-12 is a vitamin the body uses to make and support healthy nerve cells It's also used to make healthy red blood cells and the genetic material inside cells called DNA Vitamin B-12 also is called cobalamin Food sources of vitamin B-12 include poultry, meat, fish and dairy products Food companies also may add vitamin B-12 to breakfast cereals Some people may take it as a vitamin by
  • Niacin overdose: What are the symptoms? - Mayo Clinic
    Should I be concerned about a niacin overdose? Niacin overdose is unlikely if you take niacin only in the amount prescribed by your healthcare professional You can't overdose on niacin by eating too many niacin-rich foods But taking too much over-the-counter or prescription niacin can be dangerous Symptoms of a niacin overdose include:
  • Vitamin C - Mayo Clinic
    Vitamin C is an essential nutrient found in foods and available as a supplement you take by mouth Learn about its potential benefits and the causes of vitamin C deficiency
  • Vitamin D and MS: Is there any connection? - Mayo Clinic
    Is there any proof that vitamin D supplements can prevent MS or keep symptoms of MS from getting worse? Research has shown that maintaining enough vitamin D in the body may lower the risk of multiple sclerosis (MS)
  • Serotonin syndrome - Symptoms causes - Mayo Clinic
    Serotonin syndrome symptoms usually occur within several hours of taking a new drug or increasing the dose of a drug you're already taking Signs and symptoms include: Agitation or restlessness Insomnia Confusion Rapid heart rate and high blood pressure Dilated pupils Loss of muscle coordination or twitching muscles High blood pressure Muscle rigidity Heavy sweating Diarrhea Headache Shivering





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