A new single-blind study has found that vitamin D3 supplements may be better than vitamin D2 supplements at sustaining vitamin D blood levels. D2, also called ergocalciferol, and D3, also called cholecalciferol, are different forms of vitamin D that have similar, though not identical, actions in the body. Watch this video now to learn more. Click the Red More Button in your email or the image below if you are on our website.

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