One note on the sections about "sugar pills":

A lot of legitimate factories use a sugar coating process when they make their pills. So just because a pill has a sweet taste when you let it sit on your tounge or chew it, doesn't mean it's a fake.

Good examples are diazepam 10mg from Roemmers in Argentina or Galenika in Yugoslavia. Both taste somewhat sweet because of the sugar coating process. You can read up on this on the manufacturer's websites. Sugar coating is very common.