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Sputnik
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https://fr.sputniknews.com/sci_tech/201912291042678134-un-medecin-met-en-garde-contre-le-risque-de-prendre-trop-de-vitamine-d/
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Vitamin D should only be administered by controlling the level of calcium and phosphorus in the blood so as not to damage the kidneys, a nephrologist at a Moscow hospital said in an interview with the Russian media.
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Vitamin D is somewhat nephrotoxic, that is, it can cause kidney damage. For this reason, it can only be taken according to the level of calcium and phosphorus in the blood in order to avoid hypercalcemia, said Nadia Frolova, nephrologist at a Moscow hospital.
Vitamin D poisoning?
“In the event of hypercalcemia [taux de calcium excessif, ndlr], it may well be a deterioration in kidney function, “warned the specialist.
However, she recalled that in the latitudes where a large part of Russian territory is located, even in summer, there is little sun. A number of vitamins are more difficult to find than others in the winter, and Vitamin D, also known as the “sunshine vitamin”, is the main one. Its amount in the body depends on the sunny days of the year. The sun’s rays participate in 80% to the intake of vitamin D, which they “manufacture” in the deeper layers of the epidermis, while food provides only 20% at most.
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