Circulaxil Erfahrungen Hypoglycemia: This happens when blood sugar levels are too low. It can be caused by skipping meals, excessive physical activity, certain medications, or in people with diabetes, taking too much insulin or other glucose-lowering medications.Measuring Blood Sugar:Blood sugar levels are typically measured in milligrams per deciliter (mg/dL) or millimoles per liter (mmol/L)....