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vitamin d2

  1. haidut

    Vitamin D2 (ergocalciferol), unlike D3 (cholecalciferol), ineffective for immune health

    A very important study, with huge ramifications, considering most people taking prescription vitamin D are consuming vitamin D2 (ergocalciferol) as that is the only FDA-approved vitamin D variety available for oral use. The widely available OTC variety vitamin D3 (cholecalciferol) is not...
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