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

Olive Leaf Ingredients & Drug Interactions

by Gaia Herbs

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

Olive Leaf is a dietary supplement by Gaia 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 Gaia 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 liquid contains one active ingredient: organic Olive leaf extract. It's derived from the leaves of the olive plant, not the fruit or oil you'd cook with.

The formula also includes organic alcohol and water as inactive ingredients to deliver the extract.

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 our data. The ingredient has been studied for osteoporosis, upset stomach (dyspepsia), exercise-related respiratory infections, shingles, flu, and osteoarthritis, but the research we hold rates all of these as having insufficient reliable evidence to say whether it works.

If you're considering this for a specific condition, talk it over with your doctor to see what the current science actually supports.

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 seems to be well tolerated overall. The most common side effects reported in trials were headache and stomach discomfort.

One person in one trial reported skin problems and acne. Olive tree pollen can trigger seasonal respiratory allergies in people who are sensitive to it.

Here's the key caution: while olives and olive oil as everyday foods are very safe, concentrated supplements like this one are less studied. The safety data on concentrated olive leaf extract isn't well established.

Check with your doctor before starting, especially if you're pregnant, breastfeeding, or 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 ingredient we checked. That doesn't mean none could exist—concentrated olive leaf extract is less studied than whole olives and olive oil.

If you're on any medications, check them through the tool on this page or confirm with your own pharmacist before you start.

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 Gaia Herbs has no documented interactions with medications we could check. The extract itself appears generally well tolerated, though concentrated supplements aren't as well studied as the whole foods.

The evidence for whether it actually works for any specific condition isn't established in our data. Talk with your doctor or pharmacist before starting to make sure it fits your situation.

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 25, 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 Gaia Herbs
Barcode (UPC) 751063308250
Net contents 1 fl. Oz.; 30 mL
Market status On market
Date entered into DSLD Jan 25, 2020
DSLD ID 212100
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating), Organic
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 Gaia 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:
1 mL
Maximum serving Sizes:
1.33 mL
Servings per container
23
UPC/BARCODE
751063308250
IngredientAmount% DV
organic Olive (Olea europaea) leaf extract1.33 mL--

Other ingredients: organic Alcohol, 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.
General Statements

Enter ID# at meetyourherbs.com

Facebook Instagram @gaiaherbs

Suggested/Recommended/Usage/Directions

Suggested use Adults take 30-40 drops in a small amount of water 2 times daily between meals. Shake well before use.

Precautions

Not for use during pregnancy or lactation. If you have a medical condition or take medications, please consult with your doctor before use.

Store away from children.

Use only as directed on label. Safety-sealed fat neck of bottle.

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

USDA Organic

Formulation

Immune support Traditionally for supporting immune defenses so you can stay feeling your best

Certified organic by Oregon Tilth

FDA Statement of Identity

Herbal supplement

See for yourself

Olive Leaf by Gaia Herbs label

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

What’s inside

The Ingredients in Olive Leaf by Gaia Herbs

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

Serving size1 mL Dosage formLiquid Servings per container23 Amounts shown are per serving.

1.33 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...

Organic Olive (Olea europaea) leaf extract monograph & interactions

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

Interaction report

Olive Leaf by Gaia 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.

Gaia Herbs

See all Gaia Herbs products
Name
Gaia Herbs, Inc.
Street Address
101 Gaia Herbs Dr.
City
Brevard
State
NC
ZipCode
28712
Web Address
www.gaiaherbs.com
Pharmacist Counseling Corner

Olive Leaf by Gaia Herbs: Common Questions

Does Olive Leaf by Gaia 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's the difference between olive leaf extract and the olive oil I cook with?
Olive oil comes from pressing the fruit; this extract is made from the leaves. While olives and olive oil as food are very safe, concentrated leaf extract supplements are less studied and their long-term safety isn't well known.
Does olive leaf extract actually work for [condition]?
The evidence we hold doesn't show reliable proof for osteoporosis, upset stomach, exercise-related respiratory infections, shingles, flu, or osteoarthritis. If you're thinking about it for one of these, ask your doctor what the current research says.
What side effects should I watch for?
Most common are headache and stomach discomfort. One person reported skin problems and acne. If you're sensitive to pollen, olive tree pollen can trigger seasonal allergies. Stop and tell your pharmacist if anything feels off.
Is it safe if I'm pregnant or breastfeeding?
The safety data on concentrated olive leaf extract in pregnancy and lactation isn't on file in our data. Talk with your doctor or pharmacist about whether it's right for you right now.
Does this liquid form have any other ingredients I should know about?
Yes—it also contains organic alcohol and water to deliver the extract. If you need to avoid alcohol, this liquid form may not be for you; ask your pharmacist about alternatives.

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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