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A Closer Look at Vitamin D’s Importance
- 85-90% of people are deficient to severely deficient in Vitamin D
- The FDA’s recommended 400 IU may not be near enough, around 5000 IU/day may be the optimal dose.
- Strong evidence supports that Vitamin D is important in strengthening the immune system, especially against respiratory infections.
- Vitamin D deficiency may increase the risk of many cancers, autoimmune disorders, and obesity.