Unless I am wrong an A1c gives a "mean" or averages out the sum total of your glucose activity over 3 months....my glucometer will do that for me also. It tells me that when you add it all up and divide by 90 days you come out at your A1c score. That does not take into consideration the day to day swings ( and in our case the hoiur to hour swings in blood sugars.) Am I wrong? I'm finding if I can keep my blood sugar in the 5.5 range my meds work just like the pharmacy says they should, but if my reading is over 6 when its time to take them, some slowness to kick in, and if over 7 forget it! The articles that zucciniflower posted on our related threads are very very interesting..Thank you for your reseach ZF!!! I'm still looking at my log sheets for the past 9 days and a pattern is emerging. I totally agree with Peggy... we are what we eat. more later...