It is recommended as a dietary food supplement - a source of tannin containing quercetin. Ingredients: oak bark (100%). Contraindications: individual intolerance to the components, the tendency to delay the chair. Recommended dosage: 1 teaspoon (2 g), brew 1 cup (200 mL) boiling water, 15 minutes, strain and take adults and 1/2 cup (100 mL), 1 per day with meals. The duration of Reception - 1 week. Storage conditions: Store in a dry, dark, inaccessible to children at or above 25 ° C. Before use, it is recommended to consult a doctor. Biologically active food supplement. It is not a cure.