Had bad luck with Clen from Dragon. Zero effectiveness. No jitters, no change in weight except from what was naturally lost in diet and exercise. Not even a raised heart rate. Maybe just a bad batch but will not buy from Dragon again
Dragon Pharma Clenbuterol
Full cycle is about 6 weeks with a 2 weeks break between them, example: weeks 1 and 2 - 40mcg/day; 3 and 4 off; and 5 and 6 - again 40mcg/day.