most recent 30 from http://paleohacks.com 2013-06-18T22:57:21Z http://paleohacks.com/feeds/user/11263 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://paleohacks.com/questions/44271/back-kidney-pain-with-vitamin-d-supplements/85764#85764 Ray 2011-12-26T16:32:37Z 2011-12-26T16:32:37Z

<p>I took a vitamin D supplement for the first time (only 4000IU) and later that night I had terrible back pain around the area of each kidney. I later vomited several times. Probably coincidental but it made me wonder enough to do a Google search and I would up here. </p>