Olbas Blackcurrant Pastilles combine active ingredients from natural sources in a sugar-free, blackcurrant flavoured base. The essential oils have decongestant properties to bring effective symptomatic relief for colds, coughs, catarrh, sore throats and flu, catarrhal headache and nasal congestion. Sugar free.Stronger flavour. Clears the head. Soothes the throat. Minimum 21 pastilles.