Coenzyme Q-10 (CoQ-10) is a substance that is found naturally in the body and helps convert food into energy. While it is found in all human cells, the highest concentration occurs in the liver, kidney, heart and pancreas. Coenzyme Q-10 helps support enzymes in their various biochemical functions. Studies indicate that CoQ-10 serves as an antioxidant and plays a vital role in oxygen utilization and energy production, particularity in heart cell muscles. Cinnamon may help energy levels, concentration and alertness and may help balance healthy blood sugar levels.