I think mine are the reformulated ones, as i noticed the tabs were slightly bigger, i had to check the letters against the grain size on the net, because i thought they'd put the wrong ones in the tubs.
I haven't noticed any difference though, but i'm getting improvement in my temps anyway through taking other things like maca etc. I don't take my full dose any more i've cut that in half.
I'm determined to get off Armour for good one day.