Benefit: The leaves have strengthening and vitamin properties, take infusions for colds, as an expectorant. They rinse in the mouth with diseases of the teeth and gums, with sore throat. Decoction of leaves is used to heal wounds and boils. Upper respiratory tract infections; diseases of the cardiovascular system, diarrhea, ulcers, gastritis, pulmonary tuberculosis, rheumatism, gout, malignant tumors. Contraindications: Diabetes mellitus, allergies, pregnancy, lactation, individual intolerance. Lilac flowers: Benefits: for colds, tuberculosis, flu. Contraindications: pregnancy, individual intolerance. St. John 's Wort: Benefit: it has an antiseptic and antibacterial effect, helps to fight depressive states — St. John's wort is great for the nervous system. Contraindications: pregnancy, individual intolerance. Method of preparation: pour 2 gr. of tea 200 ml. of hot water 80-90 ° C, insist 7-10 minutes. Brew up to 3 times.