4 fl. oz. Increases the available oxygen in the bloodstream to achieve more sustained energy. Assists the body in metabolizing vitamins, minerals, supplements, and nutrients more completely. Integrally involved in energy production. Enhances the body's immune system to resist illness and disease. Acts as a powerful, yet safe, bactericide (1000will not destroy healthy, aerobic bacteria), viricide, and fungicide. Can be used like hydrogen peroxide, yet does not cause excess free radical formation. Each 4 oz bottle of Oxygen Supreme II contains 11% dissolved oxygen - no other stabilized oxygen product has 11%! Our planet was approximately 39% oxygen 200 years ago and now it is approximately 19%! In cities during rush hours, the oxygen content gets into the single digits. Foods that are not fresh and raw with high water content, are devoid of much of their oxygen. Oxygen Supreme will not destroy beneficial bacteria or adversely affect healthy body cells.