Vyatsky Ivan-Tea with flowers amplifies the anti-tumor effects of fireweed. A new medicine- Khanerol has been extracted from fireweed flower heads, which contain flavonoids, tannins, phytohemagglutinins, microelements (zinc, cuprum, manganese). This is a high efficiency anti-tumor medicine. Hyperoside in flavonoids positively effects on the heart performance. Also, the flowers amplify the spiced-honey taste and aroma of the tea.