Consider doing the drug solo or at a party with trusted friends first and then trying integration therapy. The truth is most professional (ideally accredited, so shit like this doesn't happen) facilitators aren't going to give you the stuff themselves because they aren't licensed to.

I think that's about to radically change in Canada without a lot of radical change in who gets to be a therapist or counsellor and that's pretty troubling, but so are a lot of really weird oversights in that country