Why you shouldn’t test your blood sugar during or right after exercise

I’ve found that blood sugars levels are inaccurate during exercise or right after exercise. The reason for this is if you are testing your blood sugar from drops of blood taken from your finger instead of from your arm (such as when a nurse draws your blood), there is a lag time when it comes to blood getting to your extremities. Because of this, for a diabetic, it’s important to check blood sugar BEFORE exercising. If you want to see what your blood sugar level is after your workout, give it an hour since it can take up to an hour for the blood sugar levels to normalize.

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