COULD SOMEBODY PEASE PLEASE TELL ME WHERE IN THE U.S.A. I CAN PURCHASE MSM HERE 
IN AUSTRALIA THEY ARE CHARGING $50.00 FOR FOUR OZS, i KNOW OUR DOLLER IS ON 
WORTH HALF OF THE U.S DOLLAR BUT I STILL THINK ITS A BIT RUDE, I HAVE CARPEL 
TUNNEL SINDROME AND I DO NOT WANT THE KNIFE  THANKS IN ADVANCE  KEITH COURTENAY