I know it's a calcium channEl blocked or something but why dour people love it i got offered a fiver for 300mg. people always ask if I got any sparee err noo I got 3 200s a day back in 2012 400mg would have me absolutely smashed top of world nowadays it gives like a weed oplate mild high and Deffo potentiates opiayes so what's the deal with it .. it helps.my fivromyalgia pain and anxiety