Category Archives: Cholecalciferol

More on Vitamin D3 versus Vitamin D2

Posted on June 9, 2013 by Robert Barrington

Vitamin D3 (cholecalciferol) is found in products of animal origin, whereas vitamin D2 (ergocalciferol) is found in products of plant origin. Evidence suggests that vitamin D3 is more effective at raising plasma concentrations of 25-hydroxyvitamin D [25(OH)D] when compared to … Continue reading →

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Hydroxylation Improves Vitamin D Effectiveness

Posted on June 5, 2013 by Robert Barrington

Research has recently expanded the biochemistry of vitamin D beyond its traditional role in bone metabolism to include diverse functions on cellular regulation. Dietary vitamin D becomes important during winter months at higher latitudes when sunlight is not intense enough … Continue reading →

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Ergocalciferol Versus Cholecalciferol

Posted on March 21, 2011 by Robert Barrington

The debate regarding ergocalciferol versus cholecalciferol supplementation is interesting. Supplemental vitamin D is available in two forms, cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2). The dietary cholecalciferol is identical to that produced in the skin by the action of ultra … Continue reading →

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