Juls, I hate to have to tell you this, but you may want to concider staying away from the weed until you're off probation.
The aspirin are because there is evedance that they interfere with the EMIT screen and can cause a false negitive result.
As for your questions about creatine and SG, creatine is available on line and here in the US at any nutrition specialty food store. There are some very good threads by FastLX on SG at this link. I suggest you read them for some ideas on SG. http://boards.marihemp.com/boards/th...w.shtml?18x0x1
Hope that helps. N2