Mullein Leaf Extract — Liquid — 1 fl oz — Respiratory Comfort, Mucus Clearance, Breathing Support*
LifeSource Vitamins Mullein Leaf Extract delivers a balanced, research-driven formula designed to support respiratory comfort, improve mucus clearance, and promote breathing ease. Each formula is produced in FDA-registered, GMP-certified facilities and supported by NIH-indexed human clinical studies. Our approach focuses on efficacy, safety, and transparency — ensuring every ingredient meets LifeSource’s uncompromising standards for quality and science.* Ethically wild harvested, grain alcohol (45-55% by volume), deionized water.
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 cough relief — children with acute cough in herbal syrup vs placebo showed reduced frequency on validated scales.
NIH/PubMed — Sarrell, 2001
✓ Promotes mucus clearance — adults with bronchitis in herbal combo vs control reported improved sputum expulsion.
NIH/PubMed — Kemmerich, 2006
✓ Supports respiratory comfort — upper respiratory infection patients in herbal formula vs placebo exhibited lower symptom scores.
NIH/PubMed — Timmer, 2008
✓ Helps maintain airway openness — acute bronchitis adults in expectorant blend vs placebo showed enhanced airflow.
NIH/PubMed — Büechi, 2005
Additional / Promising Evidence
✓ May soothe throat irritation — traditional use and mechanistic reviews support demulcent properties for throat comfort.
NIH/EMA — Herbal Monograph
✓ May support bronchial health — mucilage and saponins contribute to expectorant effects in respiratory wellness.
NIH/WHO — Traditional Medicine
✓ May promote normal mucus flow — flavonoid and mucilaginous compounds aid in maintaining airway hydration.
NIH/Linus Pauling Institute — Review
University-Led & Academic Studies
✓ University of Maryland Medical Center — highlights mullein’s mucilaginous and flavonoid content for respiratory comfort.
NIH/UMMC — Herbal Review
✓ Oregon State University – Linus Pauling Institute — describes antioxidant compounds as natural airway protectants.
NIH/Linus Pauling Institute — Review
Global Evidence & Reviews
✓ European Medicines Agency — recognizes mullein for soothing and demulcent properties supporting throat and bronchial comfort.
NIH/EMA — Herbal Monograph
✓ World Health Organization — includes mullein in traditional medicine for normal respiratory function and mucus flow.
NIH/WHO — Traditional Medicine
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
-
Ethically Wild Harvested Mullein Leaf (Verbascum spp.) — 333 mg herb weight equivalence per serving (30 drops / 1 ml) — 1:3 strength ratio
-
Other Ingredients: Grain alcohol (45-55% by volume), deionized water
Brief Benefit Bullets
- Supports respiratory comfort and breathing ease*
- Promotes natural mucus clearance*
- Helps soothe cough and throat irritation*
- Traditional herbal lung support*
- Fast-absorbing liquid extract*
- Ethically wild harvested*
- 1:3 herb strength ratio*
- 3rd-party tested for purity and potency*
Suggested Use
Adults: Use as directed by your healthcare professional. Store in a cool, dry place. Keep out of reach of children.
Product Specifications
-
Serving Size: 30 Drops (1 ml)
-
Servings Per Container: 30
-
Amount Per Serving: Mullein Leaf 333 mg (herb weight equivalence) †
-
Herb Strength Ratio: 1:3
-
Form: Liquid Extract
-
Container: 1 fl oz (30 ml)
-
Quality: Ethically wild harvested, grain alcohol base (45-55%), deionized water
- † Daily Value not established
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.
Mullein Leaf Extract 1 fl oz Liquid — supports respiratory comfort, mucus clearance, breathing ease. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*