Extra Strength Calcium Pyruvate NOW® Calcium Pyruvate is a natural combination of two important nutrients - Calcium and Pyruvic Acid. This combination produces a stable compound called pyruvate salt that is more easily absorbed than calcium alone. Calcium Pyruvate also plays a crucial role in energy production by facilitating the transport of glucose from the bloodstream into the muscles, making this a popular supplement with fitness enthusiasts and body builders.* NOW® Calcium Pyruvate contains 65-70% Pyruvic Acid. Calcium Pyruvate is a fully reacted supplement that combines Pyruvic Acid with Calcium. No Sugar, No Salt, No Starch, No Yeast, No Wheat, No Gluten, No Corn, No Soy, No Milk, No Egg, No Preservatives * These statements have not been evaluated by the Food and Drug Administration. This produ.