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Vitamin D compounds, specifically cholecalciferol (D3) and ergocalciferol (D2) are used in rodenticides due to their ability to induce hypercalcemia, a condition characterized by elevated calcium levels in the blood. This overdose leads to organ failure and is pharmacologically similar to vitamin D's toxic effects in humans.
Unlike the other twelve vitamins, vitamin D is only conditionally essential - in a preindustrial society people had adequate exposure to sunlight and the vitamin was a hormone, as the primary natural source of vitamin D was the synthesis of cholecalciferol in the lower layers of the skin's epidermis, triggered by a photochemical reaction with ...
A blood sample will be drawn and analyzed to see whether you have a vitamin D deficiency. Levels below 30 nanomoles per liter (nmol/L) are considered low , while 50 nmol/L and above is considered ...
Hypervitaminosis is a condition of abnormally high storage levels of vitamins, which can lead to various symptoms as over excitement, irritability, or even toxicity. 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.
Both vitamin D2 and D3 are good, but “D3 has better bioavailablilty,” says Dr. Manson, meaning that it’s more easily used by your body. But that doesn’t mean any old brand will do.
Vitamin D3, aka cholecalciferol, is important for bone health and immune function. Experts discuss benefits, sources, risks and who needs a supplement. How to get the most out of vitamin D3
Gestational vitamin D deficiency in rats is associated with reduced levels of neurotrophic factors NGF and GDNF. [7] NGF is the nerve growth factor , which is involved in neurotransmission . GDNF is the glial cell lined derived neurotrophic factor, which is involved in the survival and differentiation of dopaminergic neurons.
There's lots of confusion around the difference between vitamin D2 and vitamin D3, and which is best for whom. Doctors and experts explain.