I've never used this stuff personally but there is a product called bactinates (i think thats what it is called) which is suppose to speed up your cycle. I know maidenhead aquatics sell it, i'm sure there are people that have used it that may be able to give some info about it. I think it contains the bacteria which live in your filter. I use a product called prime which imo is one of the best conditioners ammonia removers out there.
I believe the stuff you are talking about "supposedly" feeds the bacteria, thus helping the bacteria and such. To be honest, the only one I have ever heard of working is Bio-Spira, which is hard to find because it needs to be frozen. If it gets too warm during shipment then it doesn't work...