I hear ya on this one... I went to the gym a morning before a blood test,,,,, it was mostley for my cholesterol ,,,,,, so I worked out and drank my shake....... my sugar was 109and the nurse kinda bitched about it 3 day latter when the test came back,,, I was like its only 109 dont worry bout it , Ill be OK !!!!!! Drpped my cholesterol 42 poinjts in 3 mths by the way...