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

White Oak Bark Powder Ingredients & Drug Interactions

by TerraVita Premium Collection

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

White Oak Bark Powder is a dietary supplement by TerraVita Premium Collection 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 Powder by TerraVita Premium Collection

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 powder. White oak bark has been used traditionally, though we don't have established effectiveness data on file for it.

The powder form makes it straightforward to dose, and there are no inactive ingredients or fillers listed.

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 ratings for white oak bark powder in our data, so the evidence for what it can do isn't established here. If you're considering it for a specific purpose, ask your pharmacist what the current research says.

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 only short-term because its high tannin content (the compound that gives it its astringent properties) can irritate your digestive tract, and it hasn't been studied extensively. The safety data advises against use during pregnancy.

Because safety while breastfeeding is unknown, it's best to avoid it if you're nursing. If you have a sensitive stomach or are pregnant or breastfeeding, talk with your pharmacist or doctor before taking this.

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 white oak bark.

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 powder is a single-ingredient product with no documented medication interactions. It's meant for short-term use only because of its tannin content and digestive irritation risk.

If you're pregnant, nursing, or have stomach sensitivity, skip it or check with your pharmacist first. For everyone else, run your exact medications through the checker on this page.

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 Jan 23, 2023.

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 Powder, straight from the product label.

Brand TerraVita Premium Collection
Barcode (UPC) 064435114534
Net contents 1 Ounce(s)
Market status On market
Date entered into DSLD Jan 23, 2023
DSLD ID 282339
Product type Botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
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 Powder by TerraVita Premium Collection, 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:
0.25 Teaspoon(s)
Maximum serving Sizes:
0.25 Teaspoon(s)
Servings per container
28
UPC/BARCODE
064435114534
IngredientAmount% DV
White Oak bark powder1000 mg--

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.
FDA Statement of Identity

A Dietary Supplement

Brand IP Statement(s)

Copyright 2004 TerraVita - Distributed by ZooScape LLC, All Rights Reserved.

Suggested/Recommended/Usage/Directions

Directions Stir 1/4 of a teaspoon into a glass of water and consume 3 times daily, with meals.

General Statements

TerraVita is an exclusive line of premium natural products that use the finest, purest and most potent ingredients in the world. TerraVita's hallmarks are the highest possible standards of purity, potency, stability and freshness. All products are prepared with the greatest quality control, from raw materials through the entire manufacturing process, right up to the moment your product is sealed for freshness and shipped to you.

Please recycle!

FDA Disclaimer Statement

Statements not evaluated by FDA. Product not intended to diagnose, treat, cure, or prevent any disease.

See for yourself

White Oak Bark Powder by TerraVita Premium Collection label

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

What’s inside

The Ingredients in White Oak Bark Powder by TerraVita Premium Collection

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

Serving size0.25 Teaspoon(s) Dosage formPowder Servings per container28 Amounts shown are per serving.

White Oak bark powder

No known
interactions
1000 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 bark powder monograph & interactions
Interaction report

White Oak Bark Powder by TerraVita Premium Collection Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in White Oak Bark Powder. 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 Powder, from the product label.

TerraVita Premium Collection

See all TerraVita Premium Collection products
Name
TerraVita Fine Whole Herbs
City
Brampton
State
Ontario
Pharmacist Counseling Corner

White Oak Bark Powder by TerraVita Premium Collection: Common Questions

Does White Oak Bark Powder by TerraVita Premium Collection interact with any medications?
We do not currently list a known interaction for the mapped ingredients in White Oak Bark Powder. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
White Oak Bark Powder 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 this while pregnant?
No — the safety data advises against it. There isn't enough safety information, so it's best avoided during pregnancy. Talk with your doctor or pharmacist if you're pregnant and thinking about any supplement.
Is it safe to use while breastfeeding?
Safety while breastfeeding is unknown, so avoid use. If you're nursing and interested in white oak bark for any reason, check with your pharmacist or doctor first.
How long can I take this for?
White oak bark is generally used short-term only. Its high tannin content can irritate your digestive tract, so it's not meant for long-term daily use. Your pharmacist can advise on how long is right for you.
Will this upset my stomach?
It may. White oak bark has a high tannin content that can irritate the digestive tract, especially with ongoing use. If you have a sensitive stomach, this may not be the best choice for you.

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

Not sure if White Oak Bark Powder 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 Powder label
Go deeper

The Full Monographs Behind White Oak Bark Powder’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 Powder'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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