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Study Suggests Vitamin D2 Is As Effective As Vitamin D3
Researchers studied healthy adults aged 18-84 who received either placebo, 1,000 International Units (IU) of vitamin D3, 1,000 IU of vitamin D2, or 500 IU of vitamin D2 plus 500 IU of vitamin D3 daily for three months at the end of winter to establish what effect it had on circulating levels of vitamin D.
The circulating levels of vitamin D increased to the same extent in the groups that received 1,000 IU daily as vitamin D2, vitamin D3, or a combination of 500 IU vitamin D2 and 500 IU vitamin D3.
Source: December 2007 Journal of Clinical Endocrinology & Metabolism.
The circulating levels of vitamin D increased to the same extent in the groups that received 1,000 IU daily as vitamin D2, vitamin D3, or a combination of 500 IU vitamin D2 and 500 IU vitamin D3.
Source: December 2007 Journal of Clinical Endocrinology & Metabolism.
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