Recommended dose by age group 3 times per day as a preventative. At the first sign of a viral or bacterial infection, take the recommended dose by age group 5 times per day. If no improvement after 2 to 3 days, seek professional medical advice.
Infants 0-1 years: 0.5ml (10 drops).
Children 1-2 years: 1 to 2ml (¼ metric teaspoon).
Children 2-5 years: 2 to 3ml (½ metric teaspoon).
Children 5 years and over: 5ml (1 metric teaspoon).