berberine

Hi all, Stupid question, but is it possible to crash your insulin level due to use of 1gr Chromium/ 600 mg ALA/1.5-2gr Berberine per day? My insulin blood tests are very low lately, today it came back 1.56 mIU/L. A year ago it was 19.4 mIU/L. I started taking all these supps because my BG...