Bronchial Syrup Liquid Extract — 4 fl oz — Soothes Throat and Supports Respiratory Comfort*
Our Bronchial Syrup Liquid Extract combines wild cherry bark, osha root, thyme, licorice, slippery elm, menthol, and supporting herbs in a soothing liquid to support throat comfort, promote respiratory wellness, help maintain breathing ease, support mucus clearance, promote cough relief in context, provide gentle demulcent soothing for irritated tissues, help maintain inflammatory balance in airways, support traditional herbal respiratory applications, promote overall bronchial comfort, help maintain healthy airway function, and support comprehensive respiratory wellness* — while respecting traditional herbal use. Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity and potency by LifeSource Vitamins.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports reduction in coughing fits in acute bronchitis* — Thyme plus ivy leaf extract reduced coughing fits in adults with acute bronchitis in a double-blind randomized controlled trial.*
NIH/PubMed — Kemmerich et al., 2006
✓ Promotes cough relief and URTI/bronchitis symptom improvement* — Ivy leaf extract clinically supported for symptom relief in upper respiratory tract infections and bronchitis in systematic reviews and clinical studies.*
NIH/PubMed — Holzinger & Sadlon, 2011
✓ Helps increase cough-reflex threshold* — Menthol increased the cough-reflex threshold in human studies.*
NIH/PubMed — Wise et al., 2012
✓ Supports perceived nasal airflow in colds* — Menthol increased sensation of airflow in human trials during colds.*
NIH/PubMed — Eccles et al., 1990
✓ Promotes reduction in postoperative sore throat* — Licorice gargle reduced postoperative sore throat in RCTs; supported by meta-analysis.*
NIH/PubMed — Agarwal et al., 2009
✓ Supports URTI symptom relief with peppermint blend* — Peppermint in EO blend improved URTI symptom scores in a randomized double-blind spray trial.*
NIH/PMC — Ben-Arye et al., 2010
Additional / Promising Evidence
✓ May support soothing for acute pharyngitis* — Slippery elm appeared in an herbal tea RCT for acute pharyngitis symptom relief.*
NIH/PMC — 2003 RCT
✓ Contributes to bronchodilation and anti-inflammatory mechanisms* — Ginger shows airway smooth muscle relaxation and anti-inflammatory activity in preclinical and clinical-adjacent work.*
NIH/PMC — Townsend et al., 2013
✓ Promotes traditional expectorant rationale* — Horehound widely used for cough; modern data primarily reviews and preclinical.*
NIH/PMC — Aćimović et al., 2020
✓ Supports traditional cough relief context* — Wild cherry bark discussed in reviews and monographs; human RCTs limited.*
NIH/PMC — 2020 Review
University-Led & Academic Studies
✓ Supports cough relief in acute bronchitis with thyme + ivy* — University-affiliated RCT on thyme and ivy combination.*
NIH/PubMed — Kemmerich et al., 2006
✓ Promotes menthol effects on cough reflex and airflow* — Academic human trials on menthol's sensory and threshold benefits.*
NIH/PubMed — Wise/Eccles Studies
✓ Supports licorice gargle for throat comfort* — University-linked RCTs and meta-analysis on postoperative sore throat reduction.*
NIH/PubMed — Agarwal/Ruetzler/Kuriyama Studies
Global Evidence & Reviews
✓ Confirms ivy leaf extract benefits for URTI/bronchitis* — Systematic reviews and clinical studies support symptom relief.*
NIH/PubMed — Holzinger & Sadlon, 2011
✓ Supports menthol sensory and cough threshold effects* — Global human trials and reviews on menthol's airflow and reflex benefits.*
NIH/PubMed — Wise et al., 2012
✓ Aligns with licorice gargle evidence for throat soothing* — Meta-analyses confirm reductions in sore throat in postoperative contexts.*
NIH/PubMed — Kuriyama et al., 2019
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
-
Wild Cherry Bark, Osha Root, Thyme, Licorice, Slippery Elm, Menthol* — Herbal blend for throat soothing and respiratory comfort support.*
Brief Benefit Bullets
- Soothes irritated throats*
- Supports cough relief*
- Enhances breathing comfort*
- Promotes mucus clearance*
- Alcohol-free herbal blend*
- Easy-to-take liquid syrup*
-
3rd-party lab tested for purity & potency*
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
- Serving Size — See Supplement Facts label
- Servings Per Container — See Supplement Facts label
- Form — Liquid
- Free From — Non-GMO, gluten-free, no artificial colors*
- Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Bronchial Syrup Liquid Extract — 4 fl oz. Soothes throat, supports cough relief and breathing comfort. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
