What expectorant means
The traditional claim concerns helping with mucus and cough. Demulcent refers to soothing irritation.
Follow the sourceOPENING THE FIELD GUIDE
A Canadian mullein leaf extract licence describes traditional use for cough and excess mucus with respiratory infections. That wording is not proof of lung detoxification.
The traditional claim concerns helping with mucus and cough. Demulcent refers to soothing irritation.
Follow the sourceThe EMA assessment concerns mullein flower, with insufficient clinical-trial evidence. Its findings cannot automatically be transferred to a leaf extract.
Follow the sourceThe linked licence is for a liquid product. An extract’s plant part and preparation matter; a shared plant name is not a clinical comparison.
Follow the sourceThis licence does not establish that mullein clears pollutants, reverses smoking damage, or treats asthma or COPD.
The linked product excludes pregnancy and breastfeeding. Its warnings advise seeking care for persistent or worsening symptoms, symptoms beyond a week, or fever.
Compare evidence for the exact formulation. Brand age and marketing claims do not earn quality points.