According to the card, adults and children over 3 take 1 capsule (or 5 drops of the liquid form) once a day with a meal, washed down with liquid; the duration of use is 1 month. Before use, the card recommends consulting a doctor. The content of vitamin D3 in the capsule is not stated on the card.
General information (not a manufacturer's instruction): check the D3 content on the packaging in order to take into account the total dose from other sources.