An A1C number is expressed as a percentage, with higher percentages indicating higher levels of glucose in the bloodstream. A healthy A1C reading for someone without diabetes is between 4% and 5.7%.

Dear A.: Although there are no clear studies to inform us of the ideal blood sugar control (the A1C is a measurement of your overall blood sugar during the past few months), expert groups try to ...

A digital display gives the reading in minutes. The ADA says well-controlled diabetics should have A1c readings of 6.5 percent or less. Non-diabetics have A1c levels of between 4 percent and 6 ...

ANSWER: Although there are no clear studies to inform us of the ideal blood sugar control (the A1C is a measurement of your overall blood sugar during the past few months), expert groups try to ...

For older people with multiple medical issues, an A1C of 8% might be reasonable. Studies like the ACCORD trial, which showed that a very low A1C goal of 6% led to worse outcomes than an A1C goal of 7% ...