Zantoxylum nitidum ectract, a plant extract, a plant of Asian origin, used in the traditional medicine of the Far and Middle East, a rich source of flavonoids and isoflavones, anti-inflammatory, analgesic, anti-diarrhea, anti-vomiting and prevents stitches. There have been no studies to confirm the effect of the extract on the sports condition. In the sports supplementation it is used occasionally.