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

Olive Leaf Extract Ingredients & Drug Interactions

by Hardy Nutritionals

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

Olive Leaf Extract is a dietary supplement by Hardy Nutritionals 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 Extract by Hardy Nutritionals

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, not the fruit or oil you'd use in cooking.

The capsule also contains inactive ingredients — gelatin, silicon dioxide, magnesium stearate, and microcrystalline cellulose — which are common binders and fillers.

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

We hold no graded evidence for this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: healthy bowel function and immune support.
  • Our graded evidence for these ingredients doesn't cover that particular purpose.

The evidence for olive leaf extract isn't established yet in the data we hold. It's been studied for osteoporosis, indigestion (dyspepsia), exercise-related respiratory infections, shingles (herpes zoster), flu, and osteoarthritis, but we don't have enough reliable evidence to say whether it works for any of these.

If you're thinking about it for one of those reasons, talk it over with your doctor to see if there's a better-studied option.

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 generally well tolerated. The most common side effects reported in trials are headache and stomach discomfort.

One person in a trial reported skin problems and acne, and people with seasonal pollen allergies may react to olive tree pollen. The big caution: while olives and olive oil as food are very safe, concentrated supplements like this one are less studied, so we don't know as much about their safety profile.

If you're pregnant, breastfeeding, or have a health condition, check with your doctor or pharmacist first — we don't have enough information on file to say either way.

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 ingredient we could check. That said, run your exact medications through the search tool on this page before you start, and loop in your doctor or pharmacist to make sure there's nothing we've missed.

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 extract is generally well tolerated, but the evidence that it actually works for its proposed uses isn't solid yet. If you're considering it for osteoporosis, indigestion, respiratory health, shingles, flu, or joint pain, chat with your doctor about whether it's right for you and whether anything with stronger evidence might be a better fit.

No interactions are documented for the ingredient we checked, but always confirm with your own pharmacist that it plays nicely with your specific medications.

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 23, 2021.

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 Extract, straight from the product label.

Brand Hardy Nutritionals
Barcode (UPC) 799692010458
Net contents 180 Capsule(s)
Market status On market
Date entered into DSLD Jun 23, 2021
DSLD ID 247810
Product type Botanical
Supplement form Capsule
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 Olive Leaf Extract by Hardy Nutritionals, 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:
1 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
Servings per container
180
UPC/BARCODE
799692010458
IngredientAmount% DV
Olive leaf extract500 mg--

Other ingredients: Gelatin, Silicon Dioxide, Magnesium Stearate, Microcrystalline Cellulose

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

Olive Leaf Extract is made from antioxidant and phytonutrient-rich Mediterranean olive leaves. It promotes healthy bowel function with its powerful anti-microbial properties, significantly boosts antioxidant protection, and enhances immunity. Olive Leaf Extract is guaranteed to contain 17% oleuropein.

Suggested/Recommended/Usage/Directions

Suggested Use: Start with 1 capsule per day. Drink plenty of water throughout the day to accelerate cleansing. Gradually increase to 1-2 capsules three times per day, or as recommended by a physician.

Storage

Store in a cool, dry place.

Precautions

Note: Pregnant or lactating women and people with serious medical conditions should consult with a physician.

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.

General Statements

For information and orders: Toll Free: 1-855-955-1114 www.GetHardy.com Send comments to: PO Box 416 Sweet Grass, MT 59484

Formulation

Made in U.S.A.

Helps to promote healthy bowel function and immunity

FDA Statement of Identity

Dietary Supplement

Seals/Symbols

Technology-Enhanced Nutrition

See for yourself

Olive Leaf Extract by Hardy Nutritionals label

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

What’s inside

The Ingredients in Olive Leaf Extract by Hardy Nutritionals

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

Serving size1 Capsule(s) Dosage formCapsule Servings per container180 Amounts shown are per serving.

Olive leaf extract

No known
interactions
500 mg per serving Form: Oleuropein

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: Gelatin, Silicon Dioxide, Magnesium Stearate, Microcrystalline Cellulose. These complete the product’s ingredient list but are not active constituents.

Interaction report

Olive Leaf Extract by Hardy Nutritionals Drug Interactions

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

Hardy Nutritionals

See all Hardy Nutritionals products
Name
NutraTek Health Innovations Inc.
Street Address
Box 919
City
Raymond
State
AB
ZipCode
T0K 2S0
Phone Number
1-855-955-1114
Web Address
www.GetHardy.com
Pharmacist Counseling Corner

Olive Leaf Extract by Hardy Nutritionals: Common Questions

Does Olive Leaf Extract by Hardy Nutritionals interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Olive Leaf Extract. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Olive Leaf Extract 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 does olive leaf extract do?
It's been studied for conditions like osteoporosis, indigestion, exercise-related infections, shingles, flu, and joint pain — but we don't have solid evidence yet that it works for any of them. If you're thinking about it for a specific reason, talk with your doctor.
Is it safe to take olive leaf extract?
It seems to be well tolerated overall. The most common side effects are headache and stomach discomfort. The main thing to know: olives and olive oil as everyday food are very safe, but concentrated supplements like this one are less studied, so we don't know as much about their long-term safety. Check with your doctor or pharmacist first.
Can I take this if I'm pregnant or breastfeeding?
We don't have enough information on file to say either way. Talk with your doctor or pharmacist before taking it — they can give you personalized advice for your situation.
Will this interact with my medications?
No interactions are documented in our data for olive leaf extract. That said, run your specific medications through the search tool on this page to double-check, and confirm with your pharmacist that it's clear with everything you're taking.
What are the inactive ingredients in this capsule?
The capsule contains gelatin, silicon dioxide, magnesium stearate, and microcrystalline cellulose — all common binders and fillers that help hold the capsule together.

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

Not sure if Olive Leaf Extract 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 Extract label
Go deeper

The Full Monographs Behind Olive Leaf Extract’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 Extract'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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