I'm on Ventolin from MX around $9.00 a box (30 tabs). I've never used Clen though I picked up some too (using Sal first). I've noticed sweats, shakes, and increased feeling of body temp. And have to drink around 2 gallons a day and I still feel like a dried up dog turd (only side I don't like). while on 12mg ED. It seems to work alot better than Ephedrine and its cheap. My $.02 worth.