What is olive extract?

Olive extract is a concentrated preparation from Olea europaea, often made from the leaves. It is commonly standardized to polyphenols such as oleuropein and sometimes hydroxytyrosol.

What are the main benefits of olive extract?

Olive extract is used for cardiovascular support, including helping maintain healthy blood pressure and lipid levels. It also provides antioxidant and anti-inflammatory effects and is sometimes used for immune support.

What is a typical dosage for olive extract?

Common supplemental amounts are about 500–1000 mg per day, depending on the product’s standardization and intended use. Follow the label directions and consider clinician guidance for higher-potency extracts.

Does olive extract help with blood pressure?

Some evidence suggests olive extract may help lower blood pressure, particularly in people with elevated readings. Effects can vary by dose, extract composition, and individual factors.

Who should be cautious with olive extract?

People taking blood pressure or blood-thinning medications, those with medical conditions, and pregnant or breastfeeding individuals should consult a healthcare professional before use. Stop use and seek advice if you develop adverse effects.

313 wetenschappelijk onderbouwde voedingsstoffen

3251 bronnen geraadpleegd

Informatie ingedeeld naar bewijs

Verken op doel of categorie

Voedingsstof vinden

Populaire keuzes

Eicosapentaenoic acid (EPA)Vitamin D3 Docosahexaenoic acid (DHA)Zinc (Bisglycinate)

313 voedingsstoffen totaal

Vitamin B

Vitamin B1 (Thiamine)

Vitamin B2 (Riboflavin)

Vitamin B3 (Niacin)

Vitamin B5 (Pantothenic Acid)

Vitamin B6 (Pyridoxine)

Vitamin B7 (Biotin)

Vitamin B9 (Folic Acid)

Vitamin B12 (Methylcobalamin)

Vitamin B12 (Cobalamin)

Vitamin A & Carotenoids

Vitamin C

Vitamin D

Vitamin E

Vitamin K

Vitaminoids

Trimethylglycine (Betaine)

NMN (Nicotinamide Mononucleotide)

Pyrroloquinoline Quinone (PQQ)

D-Chiro-Inositol

Coenzym Q10 (Ubiquinone)

Betaine HCL

Nicotinamide Riboside

Vitamin B8 (Myo-Inositol)

Choline

Citicoline (CDP-Choline)

Coenzyme Q10 (Ubiquinol)

Calcium

Calcium Alpha-Ketoglutarate

Magnesium

Magnesium Bisglycinate

Magnesium L-Threonate

Trace Minerals

Copper (Bisglycinate)

Chromium Picolinate

Manganese (Bisglycinate)

Zinc

Pentadecanoic Acid (C15:0)

Phosphatidylserine

R-Alpha Lipoic Acid

Black Cumin Oil

Extra Virgin Olive Oil

Ceratiq wheat oil extract

Phospholipids

Algae Oil

Fish Oil

Conjugated Linoleic Acid

Gamma-Aminobutyric Acid

Alpha-Linolenic Acid

Gamma-Linolenic Acid

Omega-3

Docosapentaenoic acid (DPA)

Eicosapentaenoic acid (EPA)

Docosahexaenoic acid (DHA)

AminoMar

Acetyl-L-Carnitine

PABA (para-aminobenzoic acid)

Essential Amino Acids

Conditionally Essential Amino Acids

L-Theanine

Non-Essential Amino Acids

Beta-Alanine

L-Cysteine Hydrochloride

Amino Acid Derivative

Taurine

Creatine (Hydrochloride)

L-Arginine Alpha-Ketoglutarate

Creatine (Monohydrate)

Akkermansia muciniphila

Lactobacillus Reuteri

Probiotics

Bifidobacterium longum BB536

Prebiotics

Stinging Nettle Extract

Pomegranate Polyphenols

Red Beet Extract

Pine Extract (Pycnogenol)

Oligomeric Proanthocyanidins (OPC)

Ashwagandha Root Extract

Methylsulfonylmethane (MSM)

Citrus Sinensis Extract

Horsetail Stem Extract

Flax Seed Extract

Sulforaphane Glucosinolate

Garlic Extract

Black Pepper

Apricot Kernel Extract

Lovage

Spiny Rest Harrow Root Extract

Juniper Berry Extract

Bearberry Leaf Extract

White Kidney Bean Extract

Lady’s Mantle Extract

Bitter Orange Extract

St. John’s Wort Extract

Japanese Knotweed Extract

Hydroxytyrosol/tyrosol

Olive extract

Sesame seed lignan extract

Broccoli Sprout Extract

Cranberry Extract

Flavon Glycosides

Gentian Root Extract

Griffonia simplicifolia Extract

Ajuga Turkestanica Extract

Amaranthus Leaf Extract

Banaba Extract

Boswellia Extract

Capsaicin

Cayenne Pepper Extract

Celery Extract

Ceylon Cinnamon Extract

Chamomile Extract

Charantin

Chinese Goldthread Root Extract

Citrus Aurantium Extract

Cocoa Extract

Cyanotis Arachnoidea Extract

Fadogia Agrestis Extract

Garcinia Cambogia Extract

Goldenrod Extract

Green Tea Extract

Guarana Extract

Horse Chestnut Extract

Grapefruit Seed Extract

Grape Vine Leaf Extract

Green Tea Polyphenols

Epigallocatechin Gallate (EGCG)

Adaptogens

Cordyceps sinensis extract

Ginsenoside

Lion's Mane (Hericium erinaceus)

Ginseng Extract

Cat's Claw (Uncaria tomentosa)

Arjuna (Terminalia arjuna)

Tribulus Terrestris Extract

Rhodiola rosea

Panax Ginseng Extract

Mushrooms

Reishi Extract

Astragalus Polysaccharides

Hyaluronic Acid

Glucosamine Sulfate

Chondroitin Sulfate

Glucosamine Sulphate 2KCL

Olive extract

Moderate study situation·7/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Olive extract, rich in polyphenols like oleuropein, is used for its antioxidant, anti-inflammatory, and heart health benefits.

Anti-inflammatory Cardiovascular Support Antioxidant Immune Booster Cholesterol Management

dose range

500–1000 mg

Divided into two doses with meals.

Consumption

Best taken with meals to enhance polyphenol absorption and tolerance.

Not fat-soluble.

Best time

Doses are commonly consumed with breakfast and lunch or dinner; avoid taking on an empty stomach if sensitive.

Description

Olive extract comes primarily from the leaves of the olive tree (Olea europaea) and is standardized for active compounds such as oleuropein and hydroxytyrosol. It is popular for supporting cardiovascular health, reducing inflammation, and bolstering immune defense.

benefits

Main effects with level of evidence

Moderate

Note on evidence

Several human trials and reviews support cardiovascular and antioxidant benefits, but long-term safety and broader clinical efficacy remain under investigation.

Supports cardiovascular health

Moderate

Supplementation with olive extract can help lower blood pressure and improve lipid profiles, with evidence especially for its effect on systolic blood pressure in hypertensive individuals.

Particularly relevant for: adults with elevated blood pressure · individuals at cardiovascular risk

S1 · PubMed: Olive leaf extract reduces blood pressure in humans S7 · Cochrane Library: Olive leaf extract for blood pressure

Provides antioxidant and anti-inflammatory effects

Moderate

Olive extract polyphenols act as antioxidants and reduce inflammation by scavenging free radicals and modulating inflammatory pathways, potentially lowering risk of chronic diseases.

Particularly relevant for: adults seeking antioxidant supplementation

S2 · PubMed: Olive phenolics and their potential health benefits S5 · Examine.com: Olive Leaf Extract

Supports immune function and may have antimicrobial effects

Limited

Oleuropein and other compounds in olive extract have demonstrated antibacterial and antiviral properties in laboratory settings, suggesting a potential for enhanced immune support.

Particularly relevant for: general adults · individuals seeking immune support

S3 · PubMed: Antimicrobial properties of oleuropein S5 · Examine.com: Olive Leaf Extract

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Generally well tolerated in adults; rare cases of allergic reaction or digestive upset; known concerns for interactions with medications affecting blood pressure and blood sugar.

warning notices

Allergic reactions may occur in individuals sensitive to olive products.
May cause mild gastrointestinal symptoms in some users.
Can lower blood pressure and blood sugar, especially in combination with medication for these conditions.
Avoid if you have a known allergy to olives or olive leaf products.
Do not use if you are pregnant or breastfeeding unless supervised by a healthcare provider.
Monitor blood pressure regularly when using with antihypertensive medications as olive extract may enhance blood pressure lowering; dosage adjustment may be necessary.
Use with caution alongside diabetes medications, as olive extract may lower blood sugar.

Known interactions with medications

Antihypertensive medications
Diabetes medications

Contraindications / special precautions

Known allergy to olives or olive leaf
Pregnancy or breastfeeding without clinical supervision

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Olive extract can enhance the blood pressure-lowering effect of antihypertensive drugs and may impact blood sugar control with diabetes medications.

May enhance effects of blood pressure medication.

drug · Antihypertensive medications

AdjustModerate

Why

Both act to lower blood pressure and could cause hypotension.

recommendation

Monitor blood pressure closely and adjust medication as needed under medical supervision.

S1 · PubMed: Olive leaf extract reduces blood pressure in humans S6 · EFSA: Scientific Opinion on olive leaf extract

May enhance effects of diabetes medications and cause hypoglycemia.

drug · Diabetes medications (hypoglycemic agents)

AdjustLimited

Why

Olive extract can lower blood glucose, potentially increasing the hypoglycemic effect of these drugs.

recommendation

Monitor blood sugar frequently and adjust medication if necessary with provider's guidance.

S6 · EFSA: Scientific Opinion on olive leaf extract S5 · Examine.com: Olive Leaf Extract

mechanisms of action

Brief explanations of how it works

Polyphenol-mediated antioxidant activity

Oleuropein and hydroxytyrosol neutralize free radicals and modulate antioxidant enzyme activity, reducing oxidative stress.

S2 · PubMed: Olive phenolics and their potential health benefits S5 · Examine.com: Olive Leaf Extract

Anti-inflammatory pathway modulation

Olive extract inhibits NF-κB and reduces pro-inflammatory cytokine production, contributing to anti-inflammatory properties.

S2 · PubMed: Olive phenolics and their potential health benefits S5 · Examine.com: Olive Leaf Extract

Blood pressure reduction via vasodilation

Polyphenols promote nitric oxide production and improve vascular function, leading to lower systolic and diastolic blood pressure.

S1 · PubMed: Olive leaf extract reduces blood pressure in humans S7 · Cochrane Library: Olive leaf extract for blood pressure

Antimicrobial activity

Components like oleuropein interfere with the growth of bacteria and viruses, enhancing immune response.

S3 · PubMed: Antimicrobial properties of oleuropein

Sources & References

Primary literature and reviews on which these statements are based

7 sources

PubMed: Olive leaf extract reduces blood pressure in humans

Randomized controlled trial on hypertensive patients.

PubMed: Olive phenolics and their potential health benefits

Review on antioxidant and anti-inflammatory effects.

PubMed: Antimicrobial properties of oleuropein

Study on antimicrobial mechanisms.

NIH ODS: Olive Leaf

General resource on botanicals and dietary supplements.

Examine.com: Olive Leaf Extract

Comprehensive review of supplementation evidence.

EFSA: Scientific Opinion on olive leaf extract

EFSA's safety and efficacy opinion on olive leaf extract.

Cochrane Library: Olive leaf extract for blood pressure

Systematic review on cardiovascular effects.

Laatst bijgewerkt: 7 februari 2026

This information is for educational purposes only and does not replace medical advice.