I've heard of guys running fina twice in one cycle and having good results, the only thing i would be worried about is that tren shuts you down hard and running tren right untill clomid it may be hard to restard your nat test. Some have no problems though. I would go with what EXCESS suggested and run winny at the end, a better idea IMO. As for toxicity, High Intensity over at elite has been on fina for 4 months and has taken the proper precautions and has had no problems. I personnally don't beleive the hype about how harsh fina is, but that's JMO...