Factory Supply Pure Natural Quercetin Dihydrate Sophora Japonica Extract is a concentrated herbal extract that contains high levels of quercetin dihydrate. Our product is derived from the leaves of the Japanese pagoda tree, which is known for its medicinal properties. Quercetin dihydrate is a powerful antioxidant that helps to protect cells from oxidative damage. It also has anti-inflammatory and anti-cancer properties, making it a valuable addition to any health supplement regimen. Our product is made in a GMP certified facility, ensuring the highest level of quality and purity. Trust in our factory supply to provide you with the best quercetin dihydrate extract available.