universal got animal stack original, which is a catch-all vitamin/mineral/popular supplements at too low dosage product. then they have the prohormone animal stack (forgot name).....again too low dosage and outdated PH's.......then they have their ECA type stack (again, forgot name) that is probably just as good or better than any other fat burner stack. we got a return on one at my GNC and i used it, it has some kick too it. which one are you referring to here?