Lung & Phlegm Tonic

A natural soothing herbal tonic that nourishes the mucous lining of the lungs and increases natural killer cells to combat chesty cough. Possesses anti-inflammatory, expectorant and demulcent properties.

Active ingredients
Elderberry, thyme, liquorice, olive leaf, ginger, turmeric

Directions
Adults: Take 10ml 2-3 times daily with a little juice or water. Children (over 6 years): Give 5ml 2-3 times daily.

Elderberry
Meta-analysis suggests that supplementation with elderberry substantially reduces upper respiratory symptoms https://www.ncbi.nlm.nih.gov/pubmed/30670267

Elderberry supplementation reduces cold duration and symptoms in air-travellershttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4848651/

Thyme
Thyme extract might be an effective treatment of chronic diseases based on inflammatory processes when hypersecretion of mucus overwhelms the ciliary clearance and obstructs airways, causing morbidity and mortality 
https://www.ncbi.nlm.nih.gov/pubmed/27369807

Liquorice
Review summarizing antiviral and antimicrobial properties of liquorice
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4629407/

Review of antitussive and expectorant activities of liquorice and its major compounds: Water and ethanol extracts of liquorice, could decrease cough frequency at 200mg/kg by 25-59%
https://www.ncbi.nlm.nih.gov/pubmed/29224994

Ginger
Ginger demonstrated activity against human respiratory syncytial virus in human respiratory tract cell lineshttps://www.ncbi.nlm.nih.gov/pubmed/23123794

Ginger appears to exert anti-inflammatory effects by suppressing COX-2 with subsequent inhibition of prostaglandin and leukotriene biosynthesis
https://www.ncbi.nlm.nih.gov/books/NBK92775/

Turmeric
Curcumin attenuates asthmatic airway inflammation and mucus hypersecretionhttps://www.hindawi.com/journals/mi/2019/4927430/

Curcumin can prevent the replication of RSV and the epithelial responses to it without cytotoxicity and may act as therapy for severe lower respiratory tract disease in infants and young children caused by RSV infection https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3776807/