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

Olive Leaf Ingredients & Drug Interactions

by Cedar Bear

Olive Leaf label
See full label image
Liquid Category: Botanical
No known interaction
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Olive Leaf 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 No known interaction

Olive Leaf is a dietary supplement by Cedar Bear with 1 active ingredient. Its ingredients are commonly taken for heart health, high blood pressure, high cholesterol.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.

Jump to a section

HelloPharmacist Scorecard of Olive Leaf by Cedar Bear

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 Aug 27, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 1 active ingredient.
  • “Proprietary Blend” is a proprietary blend — the label gives one combined amount (0.50 mL) without saying how much of each component you get.

Cedar Bear's Olive Leaf is a liquid supplement made from olive extract in a proprietary blend. The active ingredient is olive, delivered in a base of vegetable glycerin and purified water.

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 Olive product and its label doesn't state a use — see Olive'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.

The evidence we hold doesn't establish whether olive leaf extract works for osteoporosis, indigestion (dyspepsia), exercise-related respiratory infections, shingles (herpes zoster), flu, or osteoarthritis — the data simply isn't there. If you're looking at this product for one of those uses, talk with your doctor about whether there's good evidence for it.

The evidence, ingredient by ingredient Olive

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.

Olive fruit in typical food amounts is very well tolerated, and olive leaf extract appears to be well tolerated in the studies we have. The most common adverse effects reported were headache and stomach discomfort.

One person in a trial reported skin problems and acne; olive tree pollen can also trigger seasonal allergies in sensitive people. Concentrated olive supplements are less studied than whole olives or olive oil as food.

The safety data file doesn't include information on whether this product is safe in pregnancy or while breastfeeding — talk with your doctor or pharmacist for personalized advice if that applies to you.

Side effects, ingredient by ingredient Olive

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. Still, run your medications through the search tool on this page, and confirm with your own pharmacist or doctor before you start.

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.

Cedar Bear's Olive Leaf is generally well tolerated as an oral supplement, with headache and stomach discomfort being the most common side effects in trials. No interactions are documented for the ingredients we checked, though concentrated olive supplements aren't as well studied as olive oil or whole olives used in food.

Check your medications with your own pharmacist or doctor before starting, especially if you take any prescription drugs, and discuss with them whether this product makes sense for whatever you're looking to address.

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 Nov 21, 2020.

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 Olive Leaf, straight from the product label.

Brand Cedar Bear
Barcode (UPC) 834711004121
Net contents 60 mL; 2 fl. Oz.
Market status On market
Date entered into DSLD Nov 21, 2020
DSLD ID 239302
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Kosher, Women (not pregnant or lactating), Gluten 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 Olive Leaf by Cedar Bear, 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:
0.5 mL
Maximum serving Sizes:
0.5 mL
Servings per container
120
UPC/BARCODE
834711004121
IngredientAmount% DV
Proprietary Blend0.5 mL--
Olive0 NP--

Other ingredients: USP Grade Vegetable Glycerine, purified Water

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.
Formulation

Manufactured in the USA

True Alcohol Free Sugar Free Gluten Free

Vegan

Immune support

Suggested/Recommended/Usage/Directions

Suggested Use: .5 mL (10 drops) 1 to 3 times a day, or as needed. Shake well.

Precautions

Warning: Not for use if pregnant or nursing.

Consult your physician before use.

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

GMP Good Manufacturing Practices K (Kosher)

Formula

K (Kosher)

Olea europaea

General Statements

Herbal single

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

Olive Leaf by Cedar Bear label

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

Olive Leaf 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 Olive Leaf by Cedar Bear

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

Serving size0.5 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.

Proprietary Blend

0.5 mL per serving

Other (inactive) ingredients: USP Grade Vegetable Glycerine, Purified Water. These complete the product’s ingredient list but are not active constituents.

Interaction report

Olive Leaf by Cedar Bear Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Olive Leaf. 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 Olive Leaf, from the product label.

Cedar Bear

See all Cedar Bear products
Name
Cedar Bear Naturales INC
Street Address
PO Box 158
City
Roosevelt
State
UT
ZipCode
84066
Phone Number
1-888-854-3727
Web Address
Cedarbear.com
Pharmacist Counseling Corner

Olive Leaf by Cedar Bear: Common Questions

Does Olive Leaf by Cedar Bear interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Olive Leaf. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Olive Leaf 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.
Is olive leaf extract safe to take long-term?
Olive leaf extract appears to be well tolerated in the studies we hold, with only mild headache and stomach discomfort reported most often. However, concentrated olive supplements haven't been studied as much as whole olives or olive oil used as food, so the long-term safety picture isn't as clear. Talk with your doctor if you're planning to use it for an extended time.
Will this product interact with my blood pressure or cholesterol medication?
No interactions are documented in our data for the olive ingredient in this product. That said, always run your exact medications through the search tool on this page and confirm with your own pharmacist before starting, just to be sure.
What is olive extract supposed to do?
The evidence we hold doesn't establish that olive leaf extract reliably works for osteoporosis, indigestion, exercise-related breathing problems, shingles, flu, or osteoarthritis. If you're considering this product for one of those reasons, ask your doctor whether there's solid evidence supporting it.
Can I take this while pregnant or breastfeeding?
The safety data on file doesn't include pregnancy or breastfeeding information for this product. Talk with your doctor or pharmacist before taking it if either applies to you — they can help you decide whether it's right for your situation.
What are the side effects?
In studies, the most common side effects were headache and stomach discomfort. One person reported skin problems and acne. If you're allergic to olive tree pollen, this product might trigger seasonal respiratory allergy symptoms.

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

Not sure if Olive Leaf 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.

Olive Leaf label
Go deeper

The Full Monographs Behind Olive Leaf’s Ingredients

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

Herb & supplement monograph

Olive

Olive comes from the same tree that gives us olives and olive oil, and its leaf and fruit contain antioxidant compounds like oleuropein and hydroxytyrosol. Olive oil as part of a Mediterrane...

Read the full Olive monograph →
Sources

Sources & How We Checked

Olive Leaf'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.

Olive 2 references
  1. Liccardi G, D'Amato M, D'Amato G. Oleaceae pollinosis: a review. Int Arch Allergy Immunol 1996;111:210-7. PubMed
  2. Somerville V, Moore R, Braakhuis A. The effect of olive leaf extract on upper respiratory illness in high school athletes: A randomised control trial. Nutrients. 2019;11(2). pii: E358. PubMed

See these in context on the Olive 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

Keep exploring
Supplement interaction checker › Check any supplement or product against your medications Drug–drug interactions › Check two or more of your medications against each other Browse medications A–Z › Every drug we've checked against herbs & supplements NDC & pricing lookup › Find a drug’s NDCs, packaging and costs Ask a pharmacist › Free, personal answer from our licensed team