Here is a list of foods you can have to naturally lower the blood sugar levels.
Green Tea - Known to be a healthy drink, it also helps to control blood sugar levels.
Garlic - It decreases the glucose level in the body, and increases free insulin that helps to control glucose levels.
Cocoa - It is high on flavonoids, and improves the body's ability to process sugar.
Cinnamon - It is believed that cinnamon is able to triple insulin's efficiency, again helping to control glucose levels.