Power athletes and others looking for an edge to improve their performance should avoid taking vitamin D2, a new study suggests. Research conducted at Appalachian State University’s Human Performance Lab at the N.C. Research Campus in Kannapolis showed that taking vitamin D2 supplements decreased levels of vitamin D3 in the body and resulted in higher muscle damage after intense weight lifting. “This is the first time research has shown that vitamin D2 supplementation is associated with higher muscle damage after intense weight lifting, and thus cannot be recommended for athletes,” said Dr. David Nieman (Dr.P.H.), who directed the study that was funded by a grant from Dole Foods Inc.
Find out more here: http://www.sciencedaily.com/releases/2014/01/140127164559.htm