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Why Vitamin D Is Better than ANY Vaccine and Improves Your Immune System by 3-5 Times

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  • Dr. Joe Prendergast explains that vitamin D is likely more powerful than any vaccine you could take, as German researchers have found it increases your immune system by a factor of 3 to 5.

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This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.

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