Well I get it from Wal Mart here, I am not sure where you could get it in your area. I wish Pikevi were around more, as he's from your area, and I am sure he would be able to tell you where to find it. It's good for stimulating root growth, and growth in general if used in moderation. You can read about it here:
SUPERthrive - Worlds number one plant supply - Twice as big in only 3 months
Sounds like snake oil, but plants seem to like it.