Hopsteiner® Xantho-Flav | Hopsteiner | Hopsteiner® Xantho-Flav is a natural, yellow powder produced from hops. It contains 65-85% xanthohumol - a beneficial prenylated flavonoid with significant antioxidant properties. This product can be used in a variety of beers, other beverages, foods, and...view more Hopsteiner® Xantho-Flav is a natural, yellow powder produced from hops. It contains 65-85% xanthohumol - a beneficial prenylated flavonoid with significant antioxidant properties. This product can be used in a variety of beers, other beverages, foods, and nutritional supplements. view less |