Sep 18, 2023 · In foods and dietary supplements, vitamin D has two main forms, D2 (ergocalciferol) and D3 (cholecalciferol), that differ chemically only in ...
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The meaning of B AND D is sadomasochistic practices.
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Nov 8, 2022 · Vitamin D helps maintain strong bones. Learn how much you need, good sources, deficiency symptoms, and health effects here.
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