What is a blood glucose diary? Diabetic log diary is charts used by diabetics to record each test manufactures little or none of the chemical known as insulin. The chemical/hormone Insulin is used to change the glucose (sugar) in the blood into useable cell fuel. The body’s cells can take in the sugar after the insulin as edited it. But when there’s not enough insulin hormone the glucose levels rise to dangerous levels. At high blood sugar levels the body suffers damage because of the excess sugar. The damage caused by the hypoglycemia is severe…