I've tried stand alone celastrus and had great results with daily use. I've been learning Spanish and a comparing 1 month on celastrus versus the month previous and month after being off of it, the rate at which I learned and incorporated new vocabulary was enough that I had many people make comments about it. It has a solid effect of potentiating stimulants such as dmaa or 2amino in my experience and I know some people who personally notice a solid focus component to it. And I definitely think it has a good place in an energy product. I wouldn't be surprised AT ALL if you saw it used shortly in something