Glucose, also known as blood sugar , is the primary fuel for the cells in the body, providing essential energy for their functioning. The pancreas plays a central role in regulating blood sugar levels by producing insulin, a hormone that helps cells absorb glucose. Discover the normal blood sugar levels chart for healthy individuals and diabetics. Learn ideal fasting, post-meal, and daily glucose ranges for better health management. Learn about the target blood sugar ranges for people with type 1 or type 2 diabetes, and the symptoms and risks of high or low blood sugar levels. Find out how to manage your blood glucose with diet, exercise, and medication. Check normal blood sugar levels by age for men and women. Find easy charts, fasting & post-meal ranges for all ages.