Eyebright is the name of a group of plants belonging to the figwort family. They have whitish flowers streaked with purple. The name indicates their traditional use as an eye-medicine. There is some folklore that says eyebright improves vision, and perhaps it does so in a subtle way.
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Historically used to support healthy eye function
Herbal Eyebright Dietary Supplement
Euphrasia officinalis is a small annual herb native to Europe. The flowering Eyebright herb has been used since the Middle Ages by herbalists and was cultivated in monastery herb gardens.
The historical use of eyebright herb for eye problems was due in part to the 16th century, of a plant's appearance indicating its use, called the Doctrine of Signatures.
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Recommendation: As an addition to the daily diet, take one or two
eyebright capsules 1 to 2
times daily, preferably with food.
Supplement Facts: Eyebright (stem, leaf, flower) 420 mg per pill
Eyesight Rx helps Improve Vision
Vitamin C (Ascorbic acid)
Citrus bioflavonoids (eriocitrin, hesperidin, flavonols, flavones, naringenin, flavonoids, and quercetin)
Mixed carotenoids (alpha carotene, astaxanthin, beta carotene, cryptoxanthin, Lutein, Lycopene, and Zeaxanthin)
Bilberry extract (Vaccinium myrtillus)
Jujube extract (Zizyphus jujube)
Ginkgo biloba herbal extract
Mucuna pruriens extract (Cowhage)
Cinnamon (Cinnamomum zeylanicum)
Lycium berry extract (Lycium Barbarum) - also known as Goji Berry
Alpha Lipoic Acid low dosage
Historical uses of eyebright herb - Benefit
Herbalists in the Middle Ages used eyebright herb, either by itself, or in combination with other herbs to relieve certain inflammatory eye problems. Perhaps the tannins in eyebright benefit in terms of anti-inflammatory properties. Unfortunately there is so little modern research done with eyebright to know its full benefit and side effects. Whether eyebright is of benefit for ocular allergy is still not known for sure.
Composition and ingredients
Just like many plants, eyebright herb has flavonoids and some tannins.
Eyebright is sold in various extract potencies including 4:1 Flavonoids. Eyebright tea is also available.
Eyebright side effects,
I cannot not find eyebright side effects listed in the medical literature. Although rare, an allergic reaction to eyebright herb is possible. Discuss with your doctor any eyebright side effects that seems unusual.
First of all, thank you for your very informative
website. I received my order of eyebright bottle and took my first tablet this
morning. Tonight I have noticed that my skin has been itching. Your info doesn't
list itching as a side effect, but when I googled it, I found that this is an
adverse event. The itching is not bad. A little scratching has relieved it for
now. I would like to know if this will subside? How do you suggest I proceed
with dosage? I'm also feeling a little "flushed". Don't know if this is just
hormones or not. Could this be a side effect as well? Just wanted to ask and get
your advice before I continue.
it is possible that allergic reactions could occur in rare cases and perhaps this herb may not be suitable for you. Unusual reactions can occur to certain herbal products and they are difficult to predict since there is no standard testing that can be done to determine who would be prone to them.
Composition of eyebright
I am not sure how closely Euphrasia officinalis and Euphrasia brevipila are related. Substances in the latter include polysaccharides, iridoids, phenolic acids, and flavonoids, aucubin; chlorogenic, ferulic, and caffeic acids; apigenin; luteolin; diosmetin; cinaroside; and cosmosiin.
Eyebright Herb Research study
Identification and determination of effective components in Euphrasia regelii by capillary zone electrophoresis.
Biomed Chromatogr. 2004.
A capillary zone electrophoresis method has been developed for simultaneous determination of eukovoside, cinnamic acid and ferulic acid in Euphrasia regelii for the first time.
In vitro cytotoxic effect of some medicinal plants containing flavonoids.
Boll Chim Farm. 1996.
Aqueous, ethanolic and petroleum ether extracts of Citrus sinensis, Euphrasia officinalis ( eyebright herb )., Glycyrrhiza glabra, Matricaria recutita, Rosa canina and Ruta graveolens have been studied. The cytotoxicity of the drugs assayed was evaluated "in vitro" by means of the dye test using cells of the Yoshida ascites sarcoma. The aqueous extract of Citrus sinensis; the petroleum ether extract of Glycyrrhiza glabra; the ethanolic and petroleum ether extracts of Rosa canina and the petroleum ether extract of Ruta graveolens showed a quite significative cytotoxic effect.
What do you think of a blend echinacea eyebright herb combination product?
I have not seen studies evaluating eyebright in immune function, although I am quite certain it has an influence since almost all herbs have some sort of influence on immune cells.
Is there an advantage to eyebright tea versus
the herb in a capsule?
Probably not that much. The tea may have the whole herb and some eyebright capsules may have extracts as opposed to the whole herb.
I want to take eye bright but I have high blood pressure. Would it be ok to take
I have not seen any research or user feedback that indicates problems using it in those who have hypertension, but the decision rests with you and your doctor.
I ordered some eyebright eye drops from Wisdoms ways.
Can I take this on the same day of the Eyesight Rx? Also, I take thyroid
medication, Armour, and Twinlab daily vitamin with iron. Are these ok to take
with it? I have to take my thyroid meds every day.
We suggest trying each supplement by itself for a few days before combining. As to combining supplements and medications, we are not in a position to make such recommendations since your doctor knows your medical history and lab results. However, it is a good idea to take small amounts of supplements at first to make sure there are no interactions.
Is there any vitamin K in this herb?
Not that I am aware of.