Instapundit » VITAMIN D UPDATE: Study suggests vitamin D may prevent prostate tumor growth. “New evidence sugges… November 1, 2014 jamesbbkk Uncategorized Leave a comment Instapundit » VITAMIN D UPDATE: Study suggests vitamin D may prevent prostate tumor growth. “New evidence sugges…. Share this:TwitterPinterestTumblrRedditFacebookEmailPrintLike this:Like Loading...