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Dietary supplement

Eyebright 470 mg Ingredients & Drug Interactions

by Best Naturals

Eyebright 470 mg label
See full label image
Capsule Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Eyebright 470 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Eyebright 470 mg is a dietary supplement by Best Naturals with 1 active ingredient. Its ingredients are commonly taken for eye irritation and redness, conjunctivitis (pink eye), eye strain.Based on those ingredients, 86 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Eyebright. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Eyebright 470 mg by Best Naturals

Ask about any prescription or over-the-counter medication and we check it for interactions with Eyebright 470 mg by Best Naturals — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Eyebright 470 mg by Best Naturals

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 30, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: eyebright, a plant traditionally used for eye and respiratory complaints. Each capsule delivers 470 mg of eyebright.

The capsule also contains inactive ingredients—magnesium stearate, silica, and gelatin—which serve as binders and flow agents to hold the capsule together.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use — see Eyebright's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: eye fatigue and vision support.
  • We looked for evidence on: Asthenopia (eye strain), Conjunctivitis, Allergic rhinitis (hay fever), eye irritation, eye redness.
  • The closest evidence on file: Eyebright is rated "Insufficient Reliable Evidence To Rate" for Allergic rhinitis (hay fever) (Natural Medicines).
  • Also on file: Eyebright is rated "Insufficient Reliable Evidence To Rate" for Asthenopia (eye strain), Conjunctivitis.

The evidence for eyebright's effectiveness is limited. For allergic rhinitis (hay fever), common cold, cough, pharyngitis, and rhinosinusitis, there isn't enough reliable evidence to say whether eyebright works or doesn't.

The same is true for cancer. In short, we don't have solid data showing this ingredient delivers the results people often hope for.

The evidence, ingredient by ingredient Eyebright

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Eyebright is generally well tolerated in small amounts taken by mouth. However, some people have reported confusion, headache, nausea, constipation, cough, shortness of breath, and nasal congestion when taking it orally.

Do not use homemade or non-sterile preparations directly in the eye—the risk of irritation or infection is real. Safety data for eyebright in pregnancy has not been established, so the data advises against use during pregnancy.

There isn't enough safety information to use it while breastfeeding either. Talk with your doctor or pharmacist if you're pregnant, planning to become pregnant, or breastfeeding before taking this product.

Side effects, ingredient by ingredient Eyebright

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Eyebright.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 86 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

If you take antidiabetes drugs (insulin, metformin, sulfonylureas, or similar), talk with your doctor or pharmacist before starting this product—eyebright may lower blood sugar further and raise the risk of low blood sugar (hypoglycemia). No other medication interactions are documented for eyebright in our data.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

Eyebright has a long folk history, but we don't have strong evidence it works for colds, cough, hay fever, or sinus problems. Its biggest concern is a Moderate interaction with blood sugar medications—if you take antidiabetes drugs, check with your doctor or pharmacist first.

It's not recommended in pregnancy or while breastfeeding. If you're curious about it for another reason, discuss it with your own healthcare provider.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jun 16, 2022.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Eyebright 470 mg, straight from the product label.

Brand Best Naturals
Barcode (UPC) 817716014371
Net contents 180 Capsule(s)
Market status On market
Date entered into DSLD Jun 16, 2022
DSLD ID 269617
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Eyebright 470 mg by Best Naturals, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
2 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
Servings per container
90
UPC/BARCODE
817716014371
IngredientAmount% DV
Eyebright940 mg--

Other ingredients: Magnesium Stearate, Silica, Gelatin

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formula

Eyebright (Euphoria Officinalis) has been used since the Middle Ages for the support of eye fatigue and vision. According to text of the "Old Doctrine of Signatures", the purple and yellow spots and stripes of Eyebright resemble bloodshot eyes, which was an early indicator of the plant's intended herbal use. Certain research publications indicate that Eyebright may help support the following: Supports eye health

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take two (2) capsules three times daily, preferably with meals.

Precautions

Keep out of the reach of children.

Do not use if safety seal is broken or missing.

Caution: For adults only, if you are pregnant, nursing, taking medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Storage

Store at room temperature.

FDA Disclaimer Statement

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.

Seals/Symbols

Made in USA

GMP Good Manufacturing Practice Product

Formulation

Premium formula

3rd party lab tested

No artificial color, flavor or sweetener, no preservatives, no sugar, no starch, no corn, no soy, no egg, no milk, no lactose, no gluten, no wheat, no yeast, no fish. Sodium free.

FDA Statement of Identity

Dietary Supplement

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Eyebright 470 mg by Best Naturals label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Eyebright 470 mg label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Eyebright 470 mg by Best Naturals

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size2 Capsule(s) Dosage formCapsule Servings per container90 Amounts shown are per serving.

Eyebright

Interacts with
86 drugs
940 mg per serving

Eyebright is a traditional herb long used for minor eye irritation, redness, and allergy symptoms, but high-quality human studies are very limited. Th...

Eyebright monograph & interactions

Other (inactive) ingredients: Magnesium Stearate, Silica, Gelatin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Eyebright 470 mg by Best Naturals Drug Interactions

Want to check YOUR meds against Eyebright 470 mg?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
86Drugs
86 Moderate

Ingredients driving the most interactions

Eyebright 86

Individual Drug Interactions

The ingredients in Eyebright 470 mg interact with 86 drugs. Click any drug to see the details.

1 of the 1 ingredient in Eyebright 470 mg interact with drugs. Each result below shows which ingredient is responsible. Eyebright

Each ingredient & the kinds of drugs it affects

For each ingredient in Eyebright 470 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Eyebright1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, eyebright might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research suggests that eyebright lowers blood glucose levels.

Likelihood Possible Evidence D
Eyebright full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Eyebright 470 mg, from the product label.

Best Naturals

See all Best Naturals products
Name
Best Naturals
Street Address
PO Box 394
City
Kenilworth
State
NJ
ZipCode
07033
Phone Number
1-877-659-6004
Web Address
www.shopbestnaturals.com
Pharmacist Counseling Corner

Eyebright 470 mg by Best Naturals: Common Questions

Does Eyebright 470 mg by Best Naturals interact with any medications?
Yes. Based on its ingredients, Eyebright 470 mg has a known interaction with 86 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Eyebright 470 mg contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I use eyebright for hay fever or a cold?
Eyebright is traditionally used for those complaints, but we don't have reliable evidence showing it actually works for hay fever, common cold, cough, or sinus problems. If you want to try it, talk it over with your doctor or pharmacist to see if it makes sense for you.
What side effects might I get from taking this?
Some people report confusion, headache, nausea, constipation, cough, shortness of breath, and nasal congestion when taking eyebright by mouth. These aren't common, but they're possible. Stop and tell your pharmacist or doctor if anything concerning happens.
Is it safe to use eyebright while pregnant or breastfeeding?
No—safety hasn't been established during pregnancy, so it's best avoided. There isn't enough safety information to use it while breastfeeding either. Talk with your doctor or pharmacist if you're pregnant, planning pregnancy, or nursing.
Can I put eyebright directly in my eye?
The data advises against it. Homemade or non-sterile preparations in the eye carry a real risk of irritation or infection. If you want eyebright for your eyes, take it by mouth as a capsule or tea, and talk with your eye doctor about what's safe for your situation.
Does this product have any fillers?
Yes. Along with eyebright, the capsule contains magnesium stearate, silica, and gelatin—these are inactive ingredients that help make and stabilize the capsule.
I take diabetes medication. Can I use this?
Maybe, but not without checking first. Eyebright may lower blood sugar on its own, so combining it with antidiabetes drugs could increase your risk of low blood sugar (hypoglycemia). Talk with your doctor or pharmacist before starting—you may need closer blood sugar monitoring or a medication adjustment.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Eyebright 470 mg is safe with your meds?

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Eyebright 470 mg label
Go deeper

The Full Monographs Behind Eyebright 470 mg’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Eyebright

Interacts with 86 drugs

Eyebright is a traditional herb long used for minor eye irritation, redness, and allergy symptoms, but high-quality human studies are very limited. There is not enough reliable evidence to c...

Read the full Eyebright monograph →
Sources

Sources & How We Checked

Eyebright 470 mg's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 4 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Eyebright 4 references
  1. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  2. Wichtl MW. Herbal Drugs and Phytopharmaceuticals. Ed. N.M. Bisset. Stuttgart: Medpharm GmbH Scientific Publishers, 1994.
  3. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  4. Porchezhian, E., Ansari, S. H., and Shreedharan, N. K. Antihyperglycemic activity of Euphrasia officinale leaves. Fitoterapia 2000;71(5):522-526. PubMed

See these in context on the Eyebright monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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