Krebs Magnesium-Potassium Chelates (Vegetarian) Supports normal heart muscle function† Dietary Supplement Product Numbers: 07766 Product Quantities: 60 Tablets Potassium and magnesium may be the most important minerals within the heart. They contribute to heart muscle contraction through their role in energy production, and help maintain the electrical charge of the cells.†Enzymatic Therapy"s bio-active minerals, chelated to the Krebs cycle intermediates, are better absorbed and utilized.†These intermediates, or organic acids, are responsible for energy production within every cell of the body.† Product Nutrient Categories: Mineral Recommendations: One table