Methods and formulations for batch-mixing flavonoid tinctures and infusing the flavonoid batch-mixed tincture into a food, beverage, cosmetic or drug products with minimal or no effect on the alcohol by volume of the product, and to precisely deliver the desired mixture concentration of the flavonoids, is provided. A batch-mixed flavonoid tincture includes an amount of at least two individual flavonoid tinctures, each flavonoid tincture being a mixture of at least a flavonoid and a solvent. The batch-mixed tincture is added to various food and beverages, or alternatively directly administered to a human or animal, to make a bioavailable amount of flavonoids to be absorbed and metabolized by the body providing demonstrated health benefits.
