is superthrive affective?

Hello my fello potheads, I was thinking of going down and picking up some super thrive and I was wanting to know if it does any good for Mj, Im going to try to grow mine without any ferts but my plant is going slow and i want to kick it up just alittle bit beings that i am a feind and a bit impatient : ) lol
so any help or answers will be extremly appreciated!

HELLS YES. 1-2 drops in a gallon makes a big difference.

thanx for the tip rasta! also wat else does it improve on?