Oh ya! Im actually taking phenedrine right now. Im doing a kind of mock run precontest, and Ive been taking it in the morning on an empty stomach about 30 minutes before I do cardio. I have been taking it now for about three weeks and Im getting great results. My BF is coming off better then ever. But the thing I really noticed most, compared to anything else Ive taken, is how Im not tired after cardio. I get home eat and go straight to work. And I feel great all day. Maybe even a little pumped.