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Vitamin D toxicity, or hypervitaminosis D, is the toxic state of an excess of vitamin D. The normal range for blood concentration of 25-hydroxyvitamin D in adults is 20 to 50 nanograms per milliliter (ng/mL).
To help prevent overconsumption, the Office of Dietary Supplements established daily upper limits (ULs) of what is safe to consume. People 9 and older, for example, may have a maximum 4,000 IU ...
Specific medical names of the different conditions are derived from the given vitamin involved: an excess of vitamin A, for example, is called hypervitaminosis A. Hypervitaminoses are primarily caused by fat-soluble vitamins (D and A), as these are stored by the body for longer than the water-soluble vitamins. [1]
She says their vitamin D content also supports a healthy immune ... Young warns that mushrooms can also interact with some blood pressure medications and that overconsumption of the food "can ...
Vitamin D is a group of structurally related, fat-soluble compounds responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, along with numerous other biological functions. [1] [2] In humans, the most important compounds within this group are vitamin D 3 (cholecalciferol) and vitamin D 2 (ergocalciferol). [2] [3]
What is vitamin D good for? Vitamin D is essential for the bones and teeth, the immune system, brain health, and for regulating inflammation. The body produces vitamin D as a response to sun exposure.
Beginning in the 1930s in Canada, a megadose vitamin E therapy for cardiovascular and circulatory complaints was developed by Evan Shute and colleagues, named the "Shute protocol". [15] Tentative experiments in the 1930s by Claus W. Jungeblut [ 16 ] with larger doses of vitamin C led to Frederick Klenner's development of megadose intravenous ...
For kids who don’t eat meat or animal products, Hurley is also a proponent of supplementing vitamin D—along with calcium, iron, and B12. Omega-3 fatty acids.