You can get those products here, though you may have to order online if your local shops don't carry them. www.netrition.com
However, if you are on the South Beach Diet, then you might not be eating them. SBD isn't low carb and a lot of low carb products are not SBD friendly. You'll need to read the labels very carefully to see what fits. Maybe some of the others that use them will let us know what brands and products they have found to fit in with SB.