>>10971879 (pb)
>Could you take vitamin C, D3, and zinc as a preventative?
Yes.
>>10971895 (pb)
>Add Magnesium
^^^
Yes.
Also when taking Zinc you should add copper as well. Ratio is 15mg Zinc to 1mg Copper. Should be taken at different times during the day (or 1 day Zinc/ next day Copper).