Vitamin D tablets packs, the preparation is intended to supplement the vitamin D deficiency, by low solar radiation, for example in winter Stock Photo - Alamy
The power of vitamin D: What experts already know (and are still learning) about the 'sunshine vitamin' - UTHealth
Vitamin D3 Hevert tablets, 100 – ApoZona
Taking too much vitamin D can cloud its benefits and create health risks - Harvard Health
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Should everyone be taking vitamin D? - BBC Future
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