I use NUPRO supplement all the time now.  I stopped using it for a while
and noticed the difference in their fur.  There fur seems nicer, don't
know if it is just coincidence or what.  I have a friend who uses it all
the time also.  I just mix it in their chicken soup, when I make my big
batch.
 
Eleanor and the 6 furballs
[Posted in FML issue 5194]