A formula to naturally contribute to the proper functioning of the immune system of children: Contains 30 ml. Indicated: Maintain your immune system naturally, especially before winter or seasonal changes. Suitable for children over 3 years old. Instructions for Use: - Shake before use. - Dilute the corresponding drops in water or juice. Children from 3 to 6 years old: - 15 drops a day. Children from 6 to 10 years old: - 20 drops a day. Children over 10 years old: - 32 drops a day.