Although safe, according to current search, there's no benefits from supplementing 10,000 UI daily (2,000-5,000 being recommended dose) — http://examine.com/sup

Although safe, according to current search, there's no benefits from supplementing 10,000 UI daily (2,000-5,000 being recommended dose) — http://examine.com/supplements/Vitamin+D/ http://examine.com/supplements/Vitamin+D/ This doesn't prove that 10,000 is unnecessary, but there's no proof that it's necessary either :) (or is there?) On the other hand, just recently a Polish study showed 6,000 IU improving rowers metabolism and performance — http://suppversity.blogspot.com/2015/02/6000iuday-of-vitamin-d3-could-trigger.html http://suppversity.blogspot.com/2015/02/6000iuday-of-vitamin... However, it's unclear if lower dose would lead to similar results or if this is due to any other factors.