Best Olive Leaf Supplement

Peter | 25-12-2025

You will find our hand-picked selection of Best Olive Leaf Supplement below. You have a wide variety of choices of brands such as NOW Foods,Carlyle,NatureBell,Healths Harmony,Triquetra Health,Gaia Herbs available to you as a result of the fact that each one of them has a unique pricing, look, and feel. Continue reading for an in-depth analysis in our Best Olive Leaf Supplement buying guide!

Our experts tested a variety of Best Olive Leaf Supplement on the market. Right at the top of the list is NOW Foods Best Olive Leaf Supplement. Check out some more of our favorites below, and read some valuable insight from our experienced editors.

Editor's Choice
NOW Foods Supplements, Olive Leaf Extract 500 mg, Free Radical Scavenger*, 120 Veg Capsules
NOW Foods Supplements, Olive Leaf Extract 500 mg, Free Radical Scavenger*, 120 Veg Capsules
Premium Pick
Carlyle Olive Leaf Extract Capsules | 9000mg | 100 Count | Non-GMO, Gluten Free | High Potency
Carlyle Olive Leaf Extract Capsules | 9000mg | 100 Count | Non-GMO, Gluten Free | High Potency
Budget Pick
NatureBell Olive Leaf Extract 30000mg, 240 Capsules | 40% Active Oleuropein, 50:1 Herbal Equivalent
NatureBell Olive Leaf Extract 30000mg, 240 Capsules | 40% Active Oleuropein, 50:1 Herbal Equivalent

Top 10 Best Olive Leaf Supplement

We researched and compared the top products in the Best Olive Leaf Supplement category to provide you with these recommendations.

1. NOW Foods Supplements, Olive Leaf Extract 500 mg, Free Radical Scavenger*, 120 Veg Capsules

NOW Foods Supplements, Olive Leaf Extract 500 mg, Free Radical Scavenger*, 120 Veg Capsules
9.8

Now Foods

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  • STANDARDIZED TO 6% OLEUROPEIN: NOW Olive Leaf Extract is manufactured under strict quality control conditions and is standardized to a minimum of 6% Oleuropein
  • HISTORICAL USE: The olive tree has been an integral part of Mediterranean and Middle Eastern cultures for millennia
  • FREE RADICAL SCAVENGING POWER*: Olive leaves have the highest free radical scavenging power among the different parts of the olive tree*
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
  • Packaged in the USA by a family owned and operated company since 1968

2. Carlyle Olive Leaf Extract Capsules | 9000mg | 100 Count | Non-GMO, Gluten Free | High Potency

Carlyle Olive Leaf Extract Capsules | 9000mg | 100 Count | Non-GMO, Gluten Free | High Potency
9.5

Carlyle

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  • OLIVE LEAF EXTRACT: Mediterranean traditional herb used in wellness practices around the world
  • STANDARDIZED FORMULA: The equivalent of 9,000 mg of Olive Leaf, standardized to 150 mg Oleuropein
  • ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
  • CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Artificial Flavor, Preservatives & Non-GMO

3. NatureBell Olive Leaf Extract 30000mg, 240 Capsules | 40% Active Oleuropein, 50:1 Herbal Equivalent

NatureBell Olive Leaf Extract 30000mg, 240 Capsules | 40% Active Oleuropein, 50:1 Herbal Equivalent
9.1

Naturebell

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  • Super strength olive leaf 30,000mg capsules, high concentrated 50:1 extract, standardized to retain a minimum of 40% active oleuropein per serving.
  • Easy to swallow 240 capsules per bottle, 4-month supply with 120 servings, 2 capsule serving size.
  • 50:1 extract based on 50 units of the herbal material to produce 1 unit of the concentrated extract. This allows for a 600mg dose to have an herbal equivalent of 30,000mg.
  • Retains naturally occurring flavonoids, polyphenols, and antioxidants to support energy, heart, internal circulation, complexion, and immune health.
  • Authentic non-GMO olive leaf supplement. Contains pure ingredients free of wheat, soy, dairy, gluten, preservatives, and fish/shellfish. All products are also 3rd party lab tested for safety and potency.

4. Super Strength Olive Leaf Extract Capsules - Vegan Non-GMO 750mg Olive Extract with 20% Oleuropein

Super Strength Olive Leaf Extract Capsules - Vegan Non-GMO 750mg Olive Extract with 20% Oleuropein
8.9

Healths Harmony

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  • Pump Up The Positives: Youre probably already aware of the health benefits of olive oil, but its obviously unhealthy and impractical to ingest a bunch of oil. Now you can get those same advantages through the best non-GMO Olive Leaf capsule taken just once daily.
  • Packed With Polyphenols: Our olive leaf capsules include 750mg of Olive Leaf Extract with 20% Oleuropein, the most potent component of olive bringing a myriad of health benefits. Responsibly sourced from non-GMO trees, our Olive Leaf Extract cleanly conveys the active ingredients with minimal processing.
  • A Ton Of Benefits & Vegetarian: The olive has long been known as a health-giving tree. The leaves have a long history of traditional use. Its a premium immune support supplement!
  • Manufactured In The United States: We elect to manufacture at a cGMP certified facility, right here in the USA, using globally sourced ingredients. This means you can be confident that each capsule of our olive leaf supplement will contain only non-GMO vegetarian ingredients. Always consult your physician before taking this or any dietary supplement.
  • Order Today: Try a full bottle of Healths Harmony Olive Leaf Extract, with 20% Oleuropein, and start reaping all the health benefits this amazing tree has to offer; click add to cart today!

5. Total OliveĀ® - Olive Leaf Extract (40% Oleuropein) Plus Olive Fruit Extract (20% Hydroxytyrosol)

Total OliveĀ® - Olive Leaf Extract (40% Oleuropein) Plus Olive Fruit Extract (20% Hydroxytyrosol)
8.7

Triquetra Health

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  • Max Strength Olive Leaf Extract (40% Oleuropein) Plus Olive Fruit Extract (20% Hydroxytyrosol): Total Olive provides a max strength dose of Olive Leaf Extract with a minimum 40% concentration of the powerhouse Polyphenol Oleuropein. We also include Olive Fruit Extract, which is standardized to 20% concentration of the potent antioxidant Hydroxytyrosol, which has a 68,000 ORAC value and is 28 times more potent than blueberries.*
  • European Grown & Extracted in Southern Spain, DNA Verified: Made from true Mediterranean, southern Spain grown olives from the Olea Europaea species. Each batch is DNA verified for species, origin, and potency. A majority of Olive Leaf Extract supplements come from China and are derived from the Chinese Olive Tree. If they do not advertise European Olives, it comes from China.*
  • More Nutrients in One Capsule than Liters of Olive Oil: One capsule of Total Olive contains more polyphenols (Oleuropein & Hydroxytyrosol) than liter of premium European olive oil without all the calories. The polyphenols are what give olive oil and the Mediterranean diet such a broad range of benefits.*
  • BioPerine Absorption Enhancement, Raw Form, Vegan: Total Olive provides enhanced absorption with the patented BioPerine black pepper extract. It is also delivered in truly raw form, ensuring the preservation of bioactive nutrients. Total Olive is vegan, GMO-free, 3rd party tested, produced in GMP certified facility, soy-free & gluten-free.*

6. Gaia Herbs Olive Leaf - Traditional Immune Health Support - Immune System Supplement with Olive Leaf

Gaia Herbs Olive Leaf - Traditional Immune Health Support - Immune System Supplement with Olive Leaf
8.5

Gaia Herbs

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  • Immune Support Supplement: Olive leaf is traditionally used to support a healthy immune response*
  • Wellness Support Supplement: This concentrated, single-herb extract provides short-term immune support for all seasons*
  • Olive Leaf Supplement: We use freshly harvested Olive Leaf from co-op partner farms in southern Spain, whose trees are over 200 years old and dont require irrigation or even inputs like organic fertilizers
  • Our Commitment to Quality: We thoughtfully source high-quality ingredients from around the world, guided by integrity and a deep respect for people, plants, and the planet
  • About Gaia Herbs: For over 35 years, Gaia Herbs has helped people live healthier, more balanced lives by formulating products based on traditional herbal approaches while seeking support from modern science. We carefully oversee every step from soil to supplement to ensure purity, quality, and integrity you can trust.

7. Supreme Nutrition Olive Leaf Supreme, 120 Pure Olive Leaf Vegetarian Capsules

Supreme Nutrition Olive Leaf Supreme, 120 Pure Olive Leaf Vegetarian Capsules
8.3

Supreme Nutrition Products

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  • OLIVE LEAF SUPREME - 100% Pure Olive Leaf (Olea europaea).
  • PURE HERB - Like all Supreme Nutrition products, there are no fillers, binders, flow agents, or other substances added in the encapsulation process.
  • LABORATORY TESTED - Raw materials pass both laboratory and clinical evaluations.
  • cGMP STANDARDS - Supreme Nutrition goes above and beyond Current Good Manufacturing Practice standards.
  • 100% SATISFACTION GUARANTEE - This product is backed by a 30-day 100% Satisfaction Guarantee.

8. Zazzee Extra Strength Olive Leaf 50:1 Extract, 20,000 mg Strength, 40% Oleuropein, 150 Vegan

  • 150 CAPSULES / OUTSTANDING VALUE: Our Extra Strength Olive Leaf Extract contains 20,000 mg strength per capsule AND 150 capsules per bottle an amazing value! A single bottle contains a 5 month supply. Compare this to other leading brands that require 2 capsules per serving, contain less than 150 capsules, and use a much less potent, non-extract powder. Our Extra Strength Olive Leaf Extract is a bargain not be found elsewhere!
  • 20,000 MG STRENGTH: Each capsule contains 20,000 mg strength of Olive Leaf Extract from a potent, powerful 50:1 extract. Combine that with a minimum of 40% Oleuropein, and our Extra Strength Olive Leaf Extract is one of the strongest dosages available!
  • POTENT 50:1 EXTRACT: Our Olive Leaf Extract is derived from a standardized, concentrated, potent 50:1 extract. A stronger extraction ratio means a stronger, more potent product!
  • 40% OLEUROPEIN: Oleuropein is the good stuff, the beneficial compound in Olive Leaf that provides the desired results. Our Olive Leaf Extract has been standardized to contain a minimum of 40% Oleuropein, which is one of the highest standardization numbers available. The higher the numbers, the more potent the extract. Clearly, not all Olive Leaf is created equal!
  • NATURAL, VEGAN & NON-GMO: All ingredients, including the capsule, are 100% vegan. Our Extra Strength Olive Leaf Extract does not contain any sweeteners, artificial flavors, wheat, corn, gluten, soy, milk, egg, fish, shellfish, or tree nut ingredients. Enjoy the amazing benefits of our potent Olive Leaf Extract without worrying about what else might be hiding in each capsule!
  • GOLD STANDARD PRODUCTION: Your health and safety mean everything to us. For that reason, our Extra Strength Olive Leaf Extract is manufactured in the USA, in a fully certified facility with adherence to good manufacturing policies and under the most stringent quality control. You can rest assured that you get the best value for your money!

9. NOW Foods Supplements, Olive Leaf Extract 500 mg, Free Radical Scavenger*, 60 Veg Capsules

NOW Foods Supplements, Olive Leaf Extract 500 mg, Free Radical Scavenger*, 60 Veg Capsules
7.9

Now Foods

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  • STANDARDIZED TO 6% OLEUROPEIN: NOW Olive Leaf Extract is manufactured under strict quality control conditions and is standardized to a minimum of 6% Oleuropein
  • HISTORICAL USE: The olive tree has been an integral part of Mediterranean and Middle Eastern cultures for millennia
  • FREE RADICAL SCAVENGING POWER*: Olive leaves have the highest free radical scavenging power among the different parts of the olive tree*
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
  • Packaged in the USA by a family owned and operated company since 1968

10. Toniiq Olive Leaf Extract - Ultra High Potency 45:1 Extract with 50% Oleuropein - Highly

  • The Highly Concentrated Form of Olive Leaf: Toniiq Olive Leaf capsules contain 500mg of some of the highest quality olive leaf extract in each pill ethically sourced from family-owned farms, grown and cultivated using an extraction process to ensure at least 50% oleuropein in every serving.
  • More Oleuropein = More Value & Health Benefits: Oleuropein is the main studied active compound commonly attributed to giving olive leaf its powerful bioactive properties. Each serving of our 500mg olive leaf extract provides you with a whopping 250mg of oleuropein (most olive leaf products are less than 50mg), making this one of the highest-strength olive leaf supplements available.
  • Setting a New Standard for Purity: To ensure that you are getting the highest-quality product, each batch is tested for quality and purity both during and after manufacturing.
  • Quality, First, and Foremost: Toniiq products are produced in a GMP-certified, state-of-the-art manufacturing facility right here in the USA.
  • Each Batch is Individually Tested: We test each batch both ourselves and through a third-party independent laboratory to ensure our ingredients contain the correct standardized level of purity and active ingredients. We also test each batch for any possible additives, contaminants, and impurities to ensure the highest level of quality.

Peter

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