King Tree, a company based in France, innovates in nutrition with its 100 % French chestnut wood extract : the Kingbrown®. The Kingbrown® is produced by a water extraction without any additives in our new production factory, exclusively dedicated to nutrition and health. The Kingbrown® contains specific polyphenols : ellagitannins. Those powerful antioxidants give interesting properties to the Kingbrown® useful in animal or human nutrition. .