This herbal formula is based on Mullein and Marshmallow, which help break down the mucus in the lungs and reduce nasal congestion. They effectively calm irritated lungs and airways caused by exposure to air pollution. Elecampane root is often prescribed for asthma and bronchitis in traditional Ayurvedic practices. Anti-inflammatory Lungwort and healing Comfrey help to fight serious respiratory infections. Rosemary is an excellent herb for opening up air passages to allow more oxygen in the bloodstream. Schisandra berry is one of the premier lung tonics of Chinese herbalism; it helps rejuvenation by providing Qi to the lungs which in turn allows the lungs to extract further Qi from the air. Suitable for vegetarians and vegans. Loose Leaf – Caffeine free – Gluten free – Wheat free – Preservatives free – Additives free – Synthetic Flavourings free Avoid during pregnancy unless prescribed by a doctor or herbalist.