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

Olive Leaf Ingredients & Drug Interactions

by Mountain Meadow Herbs

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

Olive Leaf is a dietary supplement by Mountain Meadow Herbs 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.

HelloPharmacist Scorecard of Olive Leaf by Mountain Meadow Herbs

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: olive leaf extract. It's made from the leaves of the olive plant, a traditional remedy that's been studied for a range of uses from bone health to immune support.

The liquid comes with vegetable glycerin, distilled water, and organic grain alcohol as inactive ingredients — these are the base and preservative that make up the formula.

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 for olive leaf extract isn't established in the data we hold. Studies have looked at it for osteoporosis, indigestion (dyspepsia), respiratory infections from exercise, shingles, flu, and joint pain, but none of these uses have enough reliable evidence to rate it as effective.

That doesn't mean it doesn't work — it means the research so far isn't strong enough to say either way.

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 leaf extract appears to be well tolerated overall. The most common side effects in trials were headache and stomach discomfort.

One person reported skin problems and acne, and some folks can have seasonal allergies to olive tree pollen. Here's the catch: olives and olive oil are very safe foods, but concentrated supplements like this are less studied than whole foods.

The safety data on concentrated extract isn't as complete as we'd like. Talk with your doctor before starting if you're pregnant, nursing, or if you have any health concerns.

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, it's smart to run your exact medications through the checker on this page or confirm with your pharmacist before adding any supplement.

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.

Olive Leaf by Mountain Meadow Herbs is generally well tolerated and has no documented medication interactions. The evidence for what it can do isn't solid yet, so it's best thought of as an exploratory supplement rather than a proven remedy.

If you're considering it for a specific condition or you take any medications, check with your doctor or pharmacist first to make sure it's right for you.

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 Olive Leaf, straight from the product label.

Brand Mountain Meadow Herbs
Barcode (UPC) 813086011392
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Jun 16, 2022
DSLD ID 267502
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Gluten 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 Olive Leaf by Mountain Meadow Herbs, 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
96
UPC/BARCODE
813086011392
IngredientAmount% DV
Olive leaf extract1.25 mL--

Other ingredients: Vegetable Glycerin, distilled Water, organic Grain Alcohol

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 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.

Formula

Olea europaea

Formulation

Hand-made extract

GF (Gluten free) Sugar free

Vegan

Antioxidant support and more! Gentle cleansing support Maintain proper yeast balance Immune and cardiovascular system support

FDA Statement of Identity

Herbal Dietary Supplement

General Statements

96 Servings 1 dropperful = approx. 1/8 tsp.

The MMH Three-Leaf Promise: Our high-standards produce nothing less than pure, safe, and effective herbal products. You will always feel that we care - through our products, our service, and our understanding. We deliver on time.

Seals/Symbols

Made in Montana USA

Suggested/Recommended/Usage/Directions

Suggested Use: 5 drops - 1/4 tsp. Take 1-3 times daily, or as needed.

Shake well.

Precautions

Caution: If you are pregnant, nursing, have a medical condition, or are taking a prescription, consult your health care provider before using this product.

Keep out of reach of children.

Storage

Store in a cool, dry place out of sunlight.

See for yourself

Olive Leaf by Mountain Meadow Herbs label

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

What’s inside

The Ingredients in Olive Leaf by Mountain Meadow Herbs

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

Serving size0.25 Teaspoon(s) Dosage formLiquid Servings per container96 Amounts shown are per serving.

Olive leaf extract

No known
interactions
1.25 mL per serving

Olive comes from the same tree that gives us olives and olive oil, and its leaf and fruit contain antioxidant compounds like oleuropein and hydroxytyr...

Olive leaf extract monograph & interactions

Other (inactive) ingredients: Vegetable Glycerin, Distilled Water, Organic Grain Alcohol. These complete the product’s ingredient list but are not active constituents.

Interaction report

Olive Leaf by Mountain Meadow Herbs 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.

Mountain Meadow Herbs

See all Mountain Meadow Herbs products
Name
Mountain Meadow Herbs, Inc.
Street Address
1019 Hard Rock Rd
City
Somers
State
MT
ZipCode
59932
Phone Number
888.528.8615
Web Address
www.mmherbs.com
Pharmacist Counseling Corner

Olive Leaf by Mountain Meadow Herbs: Common Questions

Does Olive Leaf by Mountain Meadow Herbs 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.
What are the most common side effects?
Headache and stomach discomfort are the most common ones reported in trials. One person had skin issues. If olive tree pollen bothers your allergies in season, this product might too.
Can I take this while pregnant or breastfeeding?
The safety data isn't on file for pregnancy or nursing. Since concentrated supplements aren't as well studied as whole olive foods, talk with your doctor before using it during pregnancy or while breastfeeding.
Does olive leaf extract actually work for anything?
The research we have isn't strong enough to rate it as effective for the uses it's been studied for — things like bone health, indigestion, immune support, or joint pain. That doesn't mean it won't help you, just that we can't say based on current evidence.
Is this different from olive oil I cook with?
Yes — olive oil and whole olives as food are very safe. This is a concentrated extract, which is processed differently and less studied, so the safety profile is less certain. That's why your doctor's approval is a good idea before you start.

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.

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

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