LifeSource Vitamins Eyebright Liquid Tincture — 1 fl oz — Supports Eye Health, Comfort & Irritation Relief*
LifeSource Vitamins Eyebright is a research-driven formula designed for those seeking daily support for eye health, ocular comfort, and healthy inflammatory response in the eyes. Backed by NIH-indexed human clinical studies and produced in FDA-registered, GMP-certified facilities, this formula uses only clean, proven ingredients customers trust.* Wild-harvested Eyebright herb (Euphrasia officinalis) in a potent 1:1 liquid extract.
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 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 guidance aligned with credible science.*
Clinically Studied Benefits (with research)
• Supports relief from conjunctivitis symptoms & ocular irritation* — Prospective cohort study showed Euphrasia eye drops significantly reduced redness, swelling, tearing, and foreign body sensation in patients with inflammatory/catarrhal conjunctivitis.
(NIH/PubMed — Stoss et al., 2000)
• Supports resolution of ocular discharge and related symptoms in neonates* — Randomized double-blind placebo-controlled trial found Euphrasia eye drops reduced ocular reddening and tearing, improving comfort in preterm neonates with ocular discharge.
(NIH/PubMed — Fintelmann et al., 2020)
Additional / Promising Evidence*
• Antioxidant & anti-inflammatory effects on corneal cells* — Ethanol and ethyl acetate extracts demonstrated strong antioxidant activity and significantly reduced pro-inflammatory cytokines (IL-1β, IL-6, TNF-α) in human corneal epithelial cells.
(NIH/PubMed — Paduch et al., 2014)
• Protective against UVB-induced oxidative stress* — Euphrasia extract reduced ROS, inflammation, and apoptosis in UVB-exposed human fibroblasts, indicating potential for light-induced ocular protection.
(NIH/PMC — Liu et al., 2018)
• Protective effects in combination against UVB stress in corneal cells* — Eye drop formulation containing Euphrasia and chamomile reduced oxidative and inflammatory markers in human corneal epithelial cells exposed to UVB.
(NIH/PubMed — Bigagli et al., 2017)
University / Academic Context*
• Traditional European herbal medicine — Eyebright has been used for centuries for eye disorders; modern research focuses on its iridoids, flavonoids, and phenolic acids for ocular applications (ethnobotanical studies from universities across Europe).
Global Evidence & Authoritative Reviews*
• European Medicines Agency (EMA) — Recognizes traditional use of Euphrasia preparations for relief of minor eye irritations, eye fatigue, and conjunctival complaints.
We monitor research from leading institutions — Harvard University, Johns Hopkins University, Mayo Clinic, Cleveland Clinic, Cambridge University, Oxford University, Stanford University, Yale University, Tufts University, University of Florida, Oregon State University – Linus Pauling Institute, Columbia University, Cornell University, and more — to keep our guidance aligned with credible science.*
Brief Benefit Bullets
• Traditional herbal support for eye comfort & irritation relief*
• Promotes healthy inflammatory response in the eyes*
• Provides natural antioxidant protection for ocular tissues*
• Wild-harvested, alcohol-based 1:1 tincture for maximum potency*
Suggested Use
30 drops in water or juice, 1–3 times daily, or as directed by a healthcare professional. Shake well before using.
Product Specifications
• 1 fl oz (30 ml) | 30 servings
• Wild Harvested Eyebright Herb (Euphrasia officinalis) — 333 mg herb weight equivalence per serving
• Herb Strength Ratio 1:3 | Alcohol 45–50% (grain alcohol & deionized water base)
• Keep out of reach of children
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.
Eyebright Liquid Tincture 1 fl oz — supports eye health, comfort & irritation relief. Wild-Harvested Euphrasia — NIH/PubMed Studied!*
