Wikipedia lists a lot of sites concerning blood glucose monitoring. Many are concerned about the accuracy of such testing, but there is another group that is not so concerned about accuracy but rather in the safety of the patient. As a matter of fact, the American Diabetes Association actually recommends checking your blood glucose levels at least one time a day for optimal health and performance. The only person who can tell you definitively whether or not your blood glucose monitoring system combs or is working properly is your physician.
Wikipedia Listing Blood Glucose
Regardless of what organization you go to, your doctor will have you monitor your blood glucose levels every morning as long as your medication is in effect and your doctor has advised you to do so blood glucose monitoring. The type of diabetes blood glucose monitor that you will receive depends on whether your condition is so severe that he or she feels that other methods of monitoring are not necessary. If your blood glucose levels are extremely high then your physician may recommend that you obtain a car continuous glucose monitor. Such a monitor will give you reading once each day and will let you know what your current level is.
You should understand that you have two options when it comes to obtaining a diabetes blood glucose monitoring system. The type of cgm monitor that you have to get will depend on your condition, which means that it is vital that you should understand your condition before making any decisions regarding your purchase. You should also understand that if you purchase an off-the-shelf cgm system from a retail store then it will not be as accurate as if you purchase one that is customized for your condition. For this reason, it is highly suggested that you seek the advice of a physician before deciding to purchase any such device.