Glucose. How would life be without glucose? Boring. That’s what. Glucose (C6H12O6) is a type of sugar. We use it every day. It is found in food. Glucose is important because it is a source of energy. It can be in solid form or liquid form. It is also sweet but has no smell. It is made up of 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms. The world would be nothing without glucose!