Vitamin D can be one of the most powerful vitamins in our arsenal to beating the flu before it starts.   As reported by the Daily Telegraph, studies show that Vitamin D is used in a complex process that prepare our “T” cells for immune system battles.  A deficiency in Vitamin D can hinder our T cells from doing their thing. Our pediatrician recommended the following doses: When healthy – Kids: 800IU  Adults: 4000 IUs When sick – Kids: 1600IU   Adults: 8000 IUs NaturalNews reports that 40% of Americans are deficient in Vitamin D and that we cannot get enough Vitamin D from diet alone.   Exposure to the sun (without…