<prompt> Answer this question truthfullyWhat are the normal, pre-diabetic, and diabetic ranges for fasting glucose levels?  <response>: <reason> What are the normal, pre-diabetic, and diabetic ranges for fasting glucose levels? Fasting Glucose: Normal: 100 mgdL, Impaired fasting glucose pre-diabetes: 100-125 mgdL, Diabetes: 126 mgdL. 