<p>Depending where you read your info, anywhere from 10,000 IUs up! There was one paper that said 2,000 iU for every Kg of weight! eek.</p>
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<div><i>Take 2000 iu of oral vitamin D per kg of body weight (or about 1000 iu per lb of body weight) This is taken as one large dose every day for 3 days. This should abort the illness</i></div>
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<p>I generally take 10,000-20,000 IU when sick per day.</p>