I'd noticed I was using a lot more insulin but figured it was because I'd cut down on my metformin. But when I went back up to 1 750 mg tablet a day of the Metformin I didn't see much improvement and my fasting bgs were creeping up again, so I started to wonder if my two month old vial of R was getting weak. I'd been keeping the vial at room temperature after reading various places that it would
