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

Full Spectrum Olive Leaf 400 mg Ingredients & Drug Interactions

by Swanson

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

Full Spectrum Olive Leaf 400 mg is a dietary supplement by Swanson 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 Full Spectrum Olive Leaf 400 mg by Swanson

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 at 400 mg per capsule. Olive leaf has been studied for conditions like osteoporosis, GERD, exercise-induced respiratory infections, shingles, flu, and osteoarthritis, though the evidence for any of those uses remains limited.

The capsule also holds inactive ingredients — gelatin, rice flour, magnesium stearate, and silica — which are standard 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: antioxidant support for cardiovascular health.
  • We looked for evidence on: hypertension, hyperlipidemia, atherosclerosis.
  • Our graded evidence for these ingredients doesn't cover that particular purpose.

The evidence we hold for olive leaf isn't established. For osteoporosis, GERD, exercise-induced respiratory infections, shingles, influenza, and osteoarthritis, we have insufficient reliable evidence to rate whether it works.

That means research hasn't yet shown a clear benefit for any of these uses. If you're thinking about taking it for one of these, talk it over with your doctor to see if it might fit your plan.

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 food and oil is very safe, but concentrated supplements like this one are less well studied. When olive leaf extract has been used in trials, most people tolerate it well.

The most common side effects reported have been headache and stomach discomfort. One person in a trial reported skin and acne, and some folks can have seasonal respiratory allergies to olive tree pollen.

The safety data on pregnancy and lactation isn't on file for this ingredient, so there isn't enough information to know either way. If you're pregnant, nursing, or planning either, talk with your doctor or pharmacist before taking 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 olive leaf extract in this product. That said, absence of documented interactions isn't a guarantee none exist, so if you're on any medications, it's worth a quick check with your doctor or 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.

Swanson's olive leaf extract is generally well tolerated and has no documented interactions with medications we could check. However, the evidence that it works for any of its proposed uses — from osteoarthritis to GERD to shingles — isn't established yet.

If you're interested in it, check with your own doctor or pharmacist to see if it fits your health goals.

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 Feb 22, 2024.

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 Full Spectrum Olive Leaf 400 mg, straight from the product label.

Brand Swanson
Barcode (UPC) 087614112800
Net contents 60 Capsule(s)
Market status On market
Date entered into DSLD Feb 22, 2024
DSLD ID 308825
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating)
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 Full Spectrum Olive Leaf 400 mg by Swanson, 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:
1 Capsule(s)
Servings per container
60
UPC/BARCODE
087614112800
IngredientAmount% DV
Olive400 mg--

Other ingredients: Gelatin, Rice Flour, Magnesium Stearate, Silica

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

A source of antioxidants for cardiovascular health

Antioxidant support

Formula

Full spectrum whole leaf formula

Full Spectrum Olive Leaf 400 mg per capsule

Brand IP Statement(s)

Swanson Science-backed quality since 1969

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take one capsule one to two times per day with food and water.

Precautions

Warning: For adults only. Keep out of reach of children.

Do not take this product if you are pregnant or nursing. Consult your physician before using this or any product if you are taking medication or have a medical condition.

Do not use if seal is broken.

Storage

Store in a cool, dry place.

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.

FDA Statement of Identity

Herbal Supplement

See for yourself

Full Spectrum Olive Leaf 400 mg by Swanson label

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

What’s inside

The Ingredients in Full Spectrum Olive Leaf 400 mg by Swanson

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 container60 Amounts shown are per serving.

Olive

No known
interactions
400 mg 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 monograph & interactions

Other (inactive) ingredients: Gelatin, Rice Flour, Magnesium Stearate, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

Full Spectrum Olive Leaf 400 mg by Swanson Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Full Spectrum Olive Leaf 400 mg. 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 Full Spectrum Olive Leaf 400 mg, from the product label.

Swanson

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

Full Spectrum Olive Leaf 400 mg by Swanson: Common Questions

Does Full Spectrum Olive Leaf 400 mg by Swanson interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Full Spectrum Olive Leaf 400 mg. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Full Spectrum Olive Leaf 400 mg 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 is olive leaf extract supposed to do?
This product has been studied for osteoporosis, GERD, exercise-induced respiratory infections, shingles, flu, and osteoarthritis. Unfortunately, we don't have reliable evidence yet that it works for any of those uses.
Are there any common side effects?
Most people tolerate it well. The most common ones reported in trials have been headache and stomach discomfort. One person reported skin and acne, and if you're allergic to olive tree pollen, you might have seasonal respiratory symptoms.
Is olive leaf extract safe as a supplement?
Olive oil and olives as food are very safe, but concentrated supplements like this one are less studied. The data shows it's generally well tolerated in trials, but we don't know as much about long-term safety compared to eating olives or using olive oil in your kitchen.
Can I take this while I'm pregnant or breastfeeding?
We don't have enough safety data on this ingredient during pregnancy or lactation to say either way. Talk with your doctor or pharmacist for personalized advice if you're pregnant, nursing, or planning either.
Does this product interact with any medications?
No interactions are documented in our data for olive leaf extract. That's not a guarantee none exist, so if you're on any medications, it's smart to check with your own doctor or pharmacist before starting.

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

Not sure if Full Spectrum Olive Leaf 400 mg 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.

Full Spectrum Olive Leaf 400 mg label
Go deeper

The Full Monographs Behind Full Spectrum Olive Leaf 400 mg’s Ingredients

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

Sources

Sources & How We Checked

Full Spectrum Olive Leaf 400 mg'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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