Is it safe to eat expired soup?

I have some soup booster that looks like this a href="http://www.google.com/imgres?q=soup+booster&um=1&hl=en&sa=N&tbm=isch&tbnid=vA3DFGRxPlUkPM:&imgrefurl=http://www.flickr.com/photos/camknows/sets/72157624155387852/detail/&docid=Qqg6czMVWIQSSM&w=500&h=281&ei=G2kwTsy_GYeTtwf4wOyjCQ&zoom=1&iact=hc&vpx=111&vpy=217&dur=944&hovh=168&hovw=300&tx=196&ty=76&page=1&tbnh=87&tbnw=154&start=0&ndsp=15&ved=1t:429,r:5,s:0&biw=1024&bih=508" rel="nofollow"http://www.google.com/imgres?q=soup+boos…/a ...and it says best by 03.03.2011 . is it safe to eat?