Search Results 1-10 of 16437 for vitamin toxicity

  1. Vitamin D toxicity: What if you get too much? - Mayo Clinic

    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 ...

  2. Vitamin D Toxicity Rare in People Who Take Supplements, Mayo Clinic Study Finds

    They found that toxic levels are actually rare. Their study appears in the May issue of Mayo Clinic Proceedings. A vitamin D level greater than 50 nanograms per ...

  3. Too much vitamin C: Is it harmful? - Mayo Clinic

    ... vitamin C, it's important to include vitamin C in your diet. ... Can a lack of vitamin D cause high blood pressure? Vitamin D for babies · Vitamin D toxicity ...

  4. Vitamin A - Mayo Clinic

    Overview. Vitamin A (retinol, retinoic acid) is a nutrient important to vision, growth, cell division, reproduction and immunity. Vitamin A also has ...

  5. Vitamin B-6 - Mayo Clinic

    Overview. Vitamin B-6 (pyridoxine) is important for normal brain development and for keeping the nervous system and immune system healthy.

  6. Vitamin B-12 - Mayo Clinic

    Vitamin B-12 is also added to some foods, such as fortified breakfast cereals, and is available as an oral supplement. Vitamin B-12 injections or nasal spray ...

  7. Vitamin E - Mayo Clinic

    Free radicals might play a role in heart disease, cancer and other diseases. If you take vitamin E for its antioxidant properties, keep in mind that the ...

  8. Niacin overdose: What are the symptoms? - Mayo Clinic

    Overview of water-soluble vitamins. https://www.uptodate.com/contents/search. Accessed Dec. 4, 2023. Melmed S, et al. Disorders of lipid metabolism. In ...

  9. Vitamin C - Mayo Clinic

    Eye diseases. Taking oral vitamin C supplements in combination with other vitamins and minerals seems to prevent age-related macular degeneration (AMD) from ...

  10. Vitamin D: Don’t overdo it, especially for obese teens - Mayo Clinic News Network

    Dr. Kumar notes that it is possible to ingest too much vitamin D, a condition called vitamin D toxicity or hypervitaminosis, which can result in poor appetite, ...