SOURCE NATURALS Malic Acid 833 Mg Tablet, 120 Count Size:120 Count For Energy Production. Source Naturals Malic Acid is a combination of malic acid and magnesium. It supports proper muscle function, cardiovascular health, and energy production. Malic acid is a natural fruit acid that is present in most cells in the body and is an intermediate in the Krebs cycle, where energy is captured during the metabolism of carbs and fats. Magnesium plays an important role in muscle relaxation and is an essential cofactor for over 300 enzymatic reactions in metabolism, ATP synthesis, and energy production Features: Source Naturals Malic Acid is a combination of malic acid and magnesium Supports proper muscle function, cardiovascular health, and energy production Magnesium plays an important role in muscle relaxation Malic acid is a natural fruit acid that is present in most cells in the body and is an intermediate in the Krebs cycle Suitable for vegetarians and hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat, no sugar, starch, preservatives, or artificial color, flavor or fragrance. Product Details: Product Dimensions: 1.3 x 1.3 x 1.6 inches ; 1.6 ounces Shipping Weight: 8.2 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More UPC: 021078027805 Item model number: 021078027805