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The Best Nutrient for Colds and Flu?
Vitamin D, and this video explains why the science overwhelmingly supports this.
00:00 – intro and overview
02:32 – factors that contribute to vitamin D deficiency
12:28 – What can vitamin D deficiency actually cause?
17:24 – supporting research
24:34 – Take this message home
26:34 – advice for supplementation protocol
29:27 – Q&A