RT Journal
A1 Stephenson J
T1 PReventing falls in the elderly
JF JAMA
JO JAMA
YR 2009
FD November 18
VO 302
IS 19
SP 2083
OP 2083
DO 10.1001/jama.2009.1681
UL http://dx.doi.org/10.1001/jama.2009.1681
AB 
The researchers analyzed the results of 8 randomized controlled trials to assess the effectiveness of various doses of vitamin D in preventing falls in more than 2400 persons aged 65 years or older. Participants received a defined oral dose of supplemental vitamin D3 or vitamin D2 or an active form of vitamin D.