Stimulant while cycling off

I got off a 4 week cycle of Md-6 about 2 weeks ago and my workouts are suffering!!! I have little energy and my diet, sleep, training are in order. Is there a supplement that I can take while “off” that will give me a boost without the caffiene and ephedrine? Thanx

Power Drive. For added effect, take vinpocetine or huperzine with it.