Sainsbury's do it;
http://www.sainsburys.co.uk/groceries/index.jsp?bmUID=1289171279253
You can always just use normal caster sugar. The golden stuff is just better for you and the environment as it's not as refined.
Either Asda or Morrisons also do it but I can't remember which. One of the 2 doesn't as I remember having the same issue! x