From the International Society for Orthomolecular Medicine to prevent or minimize symptoms of viral infection.
3000 mg daily, in divided dosages
2000 IUs daily (Start with 5000 IU/day for two weeks, then reduce to 2000 IU)
400 mg daily (in citrate, malate, chelate, or chloride form)
20 mg daily
100 mcg (micrograms) daily
*Discontinue Vitamin D supplementation if you become symptomatic.
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