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

Olive Leaf Liquid Extract Alcohol & Sugar-Free Ingredients & Drug Interactions

by Swanson Premium Brand

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

Olive Leaf Liquid Extract Alcohol & Sugar-Free is a dietary supplement by Swanson Premium Brand 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 Liquid Extract Alcohol & Sugar-Free by Swanson Premium Brand

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, a concentrated form of compounds from the olive plant leaf. The liquid is sweetened with vegetable glycerin and contains gum arabic as a thickener, with purified water as the base.

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. The product has been studied for osteoporosis, indigestion (dyspepsia), respiratory infections from exercise, shingles, flu, and osteoarthritis, but all of these carry a rating of insufficient reliable evidence to rate — meaning the data isn't strong enough to say whether it works for any of them.

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 as a food and olive oil are very safe, but concentrated supplements like this one are less studied. Olive leaf extract itself seems to be well tolerated overall.

The most common side effects reported are headache and stomach discomfort. One person in a trial reported skin and acne.

If you're allergic to olive tree pollen or have seasonal respiratory allergies, this product may be a concern. Because the safety of concentrated olive supplements isn't well known, your doctor should approve it before you take it.

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 said, run your medications through the search tool on this page or confirm with your pharmacist before adding this to your routine — it's always the safest move.

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.

This product may appeal to you if you're interested in olive leaf extract and want an alcohol- and sugar-free option. The evidence for its effectiveness isn't established yet, so it's most useful if you're exploring it on your own terms rather than expecting it to treat a specific condition.

Talk it over with your doctor or pharmacist before you start, especially if you have respiratory allergies or take 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 Nov 21, 2019.

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 Liquid Extract Alcohol & Sugar-Free, straight from the product label.

Brand Swanson Premium Brand
Barcode (UPC) 087614115306
Net contents 1 fl. Oz.; 29.6 mL
Market status On market
Date entered into DSLD Nov 21, 2019
DSLD ID 206350
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other
Intended target group(s) Vegetarian, 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 Liquid Extract Alcohol & Sugar-Free by Swanson Premium Brand, 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:
1.5 Dropper(s)
Maximum serving Sizes:
1.5 Dropper(s)
Servings per container
19
UPC/BARCODE
087614115306
IngredientAmount% DV
Olive leaf extract1.5 Gram(s)--

Other ingredients: Vegetable Glycerin, purified (deionized) Water, Gum Arabic

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

Bringing wellness to the world since 1969

To reorder, call toll free 1-800-437-4148 or visit our website at www.swansonvitamins.com

FDA Statement of Identity

Herbal Supplement

Seals/Symbols

Vegetarian formula

Formulation

Vegetarian formula

Precautions

Do not use if seal is broken.

Keep out of reach of children.

Storage

Store in a cool, dry place.

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take one and 1/2 droppersful (approximately 42 drops) one to two times per day in a glass of water. Shake well before use.

See for yourself

Olive Leaf Liquid Extract Alcohol & Sugar-Free by Swanson Premium Brand label

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

What’s inside

The Ingredients in Olive Leaf Liquid Extract Alcohol & Sugar-Free by Swanson Premium Brand

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

Serving size1.5 Dropper(s) Dosage formLiquid Servings per container19 Amounts shown are per serving.

Olive leaf extract

No known
interactions
1.5 Gram(s) 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: Vegetable Glycerin, Purified (deionized) Water, Gum Arabic. These complete the product’s ingredient list but are not active constituents.

Interaction report

Olive Leaf Liquid Extract Alcohol & Sugar-Free by Swanson Premium Brand Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Olive Leaf Liquid Extract Alcohol & Sugar-Free. 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 Liquid Extract Alcohol & Sugar-Free, from the product label.

Swanson Premium Brand

See all Swanson Premium Brand products
Name
Swanson Health Products
City
Fargo
State
ND
ZipCode
58104
Phone Number
1-800-437-4148
Web Address
www.swansonvitamins.com
Pharmacist Counseling Corner

Olive Leaf Liquid Extract Alcohol & Sugar-Free by Swanson Premium Brand: Common Questions

Does Olive Leaf Liquid Extract Alcohol & Sugar-Free by Swanson Premium Brand interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Olive Leaf Liquid Extract Alcohol & Sugar-Free. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Olive Leaf Liquid Extract Alcohol & Sugar-Free 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 actually do?
It's been studied for several purposes — osteoporosis, indigestion, exercise-related respiratory infections, shingles, flu, and osteoarthritis — but the evidence isn't strong enough yet to say it's effective for any of them. You'd be taking it based on interest rather than proven benefit right now.
Is this safe to take every day?
Olive as a food and olive oil are very safe, but concentrated supplements are less studied, so we know less about long-term daily use. Headache and stomach discomfort have been reported. Your doctor should approve it before you take it regularly.
Can I take this if I'm pregnant or breastfeeding?
We don't have safety data on file for pregnancy and breastfeeding with olive leaf extract. Talk with your doctor or pharmacist — they can help you decide whether it's right for you in those situations.
What's in here besides the olive leaf extract?
The liquid contains vegetable glycerin for sweetness, purified water as the base, and gum arabic as a thickener. There's no alcohol or added sugar.
What if I'm allergic to olive tree pollen?
Olive tree pollen can cause seasonal respiratory allergies, so if that's you, this extract may trigger a reaction. Check with your doctor before taking it.

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

Not sure if Olive Leaf Liquid Extract Alcohol & Sugar-Free 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 Liquid Extract Alcohol & Sugar-Free label
Go deeper

The Full Monographs Behind Olive Leaf Liquid Extract Alcohol & Sugar-Free’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 Liquid Extract Alcohol & Sugar-Free'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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