Natures Way Krebs Cycle Chelates supports the absorption and utilization of nutrients by the body, and supports the production of energy. Krebs Cycle Chelates are a combination of major and trace minerals bound, or chelated, to Krebs cycle intermediates. The Krebs cycle is the common pathway for converting carbohydrates, fats, and proteins into chemical energy. Sustainable energy is important in tissues that require high levels of energy such as the heart, arteries, and veins. Recommended Use: Take 4 tablets daily, or as recommended by a healthcare professional.