3 Chênes Propolis Syrup contributes to well-being and respiratory protection, especially during the transition to cold weather, when the body spends energy to defend against external aggression, which sensitizes the immune system.Propolis is a substance collected by bees to protect the hive frtom external agressions. This substance is anti-bacterial and also naturally rich in many vitamins and oligo-elements.The association of Propolis, Acerola, Mint Essential Oil and Thyme will protect respiratory system from winter sicknesses and boost the body"s defences.