Depending on where you look, recommended blood glucose levels can vary. The American Diabetes Association (ADA) numbers differ from the American College of Endocrinology (ACE) guidelines. The ACE recommendations are more strict than the ADA's. How do you know which to follow? Ask your healthcare provider which goals are right for you. The table below compares the two sets of guidelines for blood glucose, blood pressure and cholesterol...Keep reading to learn more.