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By Mayo Clinic Staff

If you have diabetes, you may need a blood glucose meter to help you track your blood sugar levels. This device measures and shows you the amount of sugar, also called glucose, in a sample of your blood.

Exercise, food, medicines, stress and other factors affect your blood glucose level. Using a blood glucose meter can help you better manage your diabetes by tracking ups and downs in your blood glucose level.

There are many types of blood glucose meters. Some models are basic. Others have more features.

The cost of blood glucose meters and test strips varies. So does insurance coverage. Look at all your choices before you buy.