According to the card, 1 tablespoon of flowers is covered with 1 glass of hot water, infused for 1 hour and strained. Drink 1/4 or 1/2 glass before meals. The card does not state the length of the course.
General information (not a manufacturer's instruction): during pregnancy and breastfeeding, and before use, a doctor's consultation is needed; store in a dry, light-protected place at up to 25 °C.