‘D’ depravation: There’s no problem with vitamin D intakes to at least 10,000 units per day. But the junkiest science rules with an official safe limit of only 1,000 units CLICK HERE TO DOWNLOAD THE PDF Publication Date: November 2005 / Author: Reinhold Vieth / Categories: Journal Articles / Vieth Research / Vitamin D / 2018-01-17T17:04:58-05:00 Share This Document, Choose Your Platform: FacebookXRedditLinkedInTumblrPinterestVkEmail