Gluco Tabs 10 Glucose is the primary sugar in the blood & is the sole energy source for the brain, kidneys & red blood cells. Dextrose (or dextroglucose/d-glucose) is a glucose which is used by cells for food. If you have diebetes it is always best to check your blood glucose before eating Gluco Tabs to confirm that your blood glucose is low & that you need to eat extra carbohydrates. 3 Gluco Tabs contain 12g carbs. Gluco Tabs do not contain any animal derivatives. Glucotabs are not Kosher. Gluco Tabs are free from gluten. Gluco Tabs have never been tested on animals. Glucose tablets are taken orally by chewing thoroughly before swallowing. Gluco Tabs is a fast-acting dextrose tablet. Gluco Tabs comes in a tube & each tube contains 10 tablets (each tablet contains 4g of fast-acting carbohydrate).