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Old 02-07-2010, 02:27 PM   #13
Ken Rich
New Member
Join Date: Jun 2007
Location: SF, CA
Posts: 29

I'm up to 7000IU per day. We have a 2 year old in the house who goes to daycare and I have not been sick all winter. Like Shaf, I'm also a fan of nasal irrigation.

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