suitable for adults and children aged 12 years and older, benylin® mucus cough max menthol flavour 100mg/5ml oral solution is a maximum strength formula that you can really feel working on your chest mucus. benylin® mucus cough max menthol flavour 100mg/5ml oral solution contains an active ingredient called guaifenesin, which is an expectorant (this means it helps to thin and loosen phlegm in your chest). simply take two 5ml spoonfuls of benylin® mucus cough max menthol flavour 100mg/5ml oral solution four times in 24 hours (do not exceed the stated dose). for oral use only. always read the patient information leaflet before use. if your symptoms get worse or don’t improve within seven days of taking benylin® mucus cough max menthol flavour 100mg/5ml oral solution, speak to your doctor. ,maximum strength formula ,reduces chest congestion ,invigorating menthol flavour ,contains guaifenesi