Now with more oxygen. The chemical basis of energy production in the body is a chemical called adenosine triphosphate (ATP). If something goes wrong with the production of ATP, the result is lowered vitality. Oxygen is the most critical for the production of ATP. Oxygen is the most important factor in the body's metabolism. When we eat a poor diet with foods that are high in fat, carbohydrates, sugar, and alcohol, our bodies have to use more oxygen to digest, assimilate, decompose and eventually expel them. A common outward symptom is the food coma, the feeling of mid-afternoon lethargy. The brain is deprived of its normal ration of oxygen, and fatigue sets in. We yawn to get more oxygen to the brain. Boost oxygen contains no caffeine, no sugar or any other unnatural stimulants. It does not provide a superficial jolt to the central nervous system like energy drinks. It give you a healthy energy boost to help return your body and mind to equilibrium. For 10 Liter cans, remove tamper evident plastic, insert mouth into the mask, press trigger and inhale deeply. Hold oxygen in lungs temporarily before exhaling for best results. Repeat as desired. It is recommended to repeat this procedure 3-5 times to feel the effects of the oxygen.