No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

White Oak Bark 480 mg Ingredients & Drug Interactions

by Nature's Way

Capsule Category: Botanical
No known interaction
The interaction bottom line No known interaction

White Oak Bark 480 mg is a dietary supplement by Nature's Way with 1 active ingredient. Its ingredients are commonly taken for diarrhea, sore throat and mouth irritation, minor skin inflammation and wounds.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

HelloPharmacist Scorecard of White Oak Bark 480 mg by Nature's Way

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

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: white oak bark at 480 mg per capsule. White oak is a plant extract traditionally used to support tissue health.

The capsule itself is plant-derived.

Does it work?

Couldn't assess
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 assessable

This is a single-ingredient White Oak product and its label doesn't state a use — see White Oak's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

We don't hold effectiveness data for white oak bark in our system, so I can't tell you whether the evidence supports its use for any particular purpose. If you're considering it for a specific reason, it's worth asking us or your doctor what the research actually shows.

The evidence, ingredient by ingredient White Oak

How safe is it?

Some data gaps
Safety Information · database check
Some gaps

Safety data exists for these ingredients, but with some important gaps.

Why this rating?
  • We hold adverse-effect (side-effect) data for 0 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.

White oak bark is generally used short-term because its high tannin content (compounds in the plant) can irritate your digestive tract, and it isn't well studied overall. You should avoid it during pregnancy — there isn't enough safety data.

Breastfeeding safety is unknown, so it's best to skip it while nursing. If you have a sensitive stomach or a history of digestive problems, mention that before you start.

Side effects, ingredient by ingredient White Oak

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the ingredients we could check. That said, run your exact medications through the checker on this page just to be sure.

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and some safety-information gaps remain.

White oak bark is a single-ingredient supplement with no documented drug interactions, but its digestive side effects and limited safety research mean it's meant for short-term use. Don't use it if you're pregnant or breastfeeding.

Check with us about your specific stomach sensitivity before starting.

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 Oct 21, 2017.

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 White Oak Bark 480 mg, straight from the product label.

Brand Nature's Way
Barcode (UPC) 033674178003
Net contents 100 Vegetarian Capsule(s)
Market status On market
Date entered into DSLD Oct 21, 2017
DSLD ID 79598
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other
Intended target group(s) Vegetarian, 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 White Oak Bark 480 mg by Nature's Way, 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
50
UPC/BARCODE
033674178003
IngredientAmount% DV
White Oak960 mg--

Other ingredients: plant-derived Capsule

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.
Brand IP Statement(s)

Health through the power of nature, that's what it means to Trust the Leaf.

2015 Nature’s Way Brands, LLC

General Statements

White Oak (Quercus alba) has been used traditionally for its astringent properties. Our White Oak is carefully tested and produced to superior quality standards.

Premium herbal

Precautions

Keep out of reach of children.

Safety sealed with printed outer shrinkwrap and inner seal. Do not use if either is broken or missing.

If pregnant, nursing or taking any medications, consult a healthcare professional before use.

Formulation

Gluten free. No sugar, salt, yeast, wheat, corn, soy, dairy products, artificial colors, flavors or preservatives.

Vegetarian

Non GMO

Seals/Symbols

Vegetarian

Non GMO Project Verified Nongmoproject.org

Certified Authentic Tru-ID

General

LN17800.B01 BLK8310B

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Recommendation: Take 2 capsules twice daily.

See for yourself

White Oak Bark 480 mg by Nature's Way label

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

What’s inside

The Ingredients in White Oak Bark 480 mg by Nature's Way

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 container50 Amounts shown are per serving.

White Oak

No known
interactions
960 mg per serving

White oak bark is a traditional herbal remedy rich in tannins, used mostly as a tea or skin wash for diarrhea, sore throat, and minor skin problems. S...

White Oak monograph & interactions

Other (inactive) ingredients: Plant-derived Capsule. These complete the product’s ingredient list but are not active constituents.

Interaction report

White Oak Bark 480 mg by Nature's Way Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in White Oak Bark 480 mg. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for White Oak Bark 480 mg, from the product label.

Nature's Way

See all Nature's Way products
Name
Nature's Way Brands, LLC
City
Green Bay
State
WI
ZipCode
54311
Phone Number
1-800-962-8873
Web Address
naturesway.com
Pharmacist Counseling Corner

White Oak Bark 480 mg by Nature's Way: Common Questions

Does White Oak Bark 480 mg by Nature's Way interact with any medications?
We do not currently list a known interaction for the mapped ingredients in White Oak Bark 480 mg. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
White Oak Bark 480 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 take White Oak Bark while pregnant?
No, the safety data advises against it — there isn't enough information to know it's safe during pregnancy. Talk to your doctor or midwife about what you can use instead.
Is it safe to breastfeed while taking this?
Safety while breastfeeding is unknown, so it's best to avoid it. If you're nursing and want to try white oak for something, check with your doctor or pharmacist first.
How long can I take it for?
White oak bark is generally used short-term. Its high tannin content can irritate your digestive tract, so it's not intended for long-term daily use.
Could it upset my stomach?
Yes — the high tannin content in white oak can irritate the digestive tract. If you have a sensitive stomach or digestive issues, let us know before you start.

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

Not sure if White Oak Bark 480 mg is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

White Oak Bark 480 mg label
Go deeper

The Full Monographs Behind White Oak Bark 480 mg’s Ingredients

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

Sources

Sources & How We Checked

White Oak Bark 480 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 2 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.

White Oak 2 references
  1. Herbs at a Glance — NIH NCCIH Source
  2. Herbs and Supplements — MedlinePlus Source

See these in context on the White Oak 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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