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She said: “Don’t take too much vitamin D. Because it’s a fat soluble vitamin it can build up in your body easier than other vitamins.
The NHS also warns not to exceed 4,000 IU, adding: “Do not take more than 100 micrograms (4,000 IU) of vitamin D a day as it could be harmful. This applies to adults, including pregnant and breastfeeding women and the elderly, and children aged 11 to 17 years.”
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