What is the recommended dosage for Olive Leaf Extract?

General: 500-1,000 mg standardized extract/day (15-20% oleuropein)

What are the side effects of Olive Leaf Extract?

Potential side effects include: Mild gastrointestinal discomfort, Headache (possible Herxheimer reaction), Dizziness.

What is olive leaf extract and how does it relate to immune function?

Olive leaf extract contains oleuropein and hydroxytyrosol, polyphenolic compounds with antioxidant and antimicrobial properties. Preliminary research suggests it may support immune defenses against pathogens and help modulate inflammatory responses.

What dosage of olive leaf extract has been studied?

Clinical studies have used olive leaf extract at doses of 500–1,000 mg per day, standardized to contain 15–25% oleuropein. Study durations range from 4 to 12 weeks, though human clinical data for immune outcomes remains limited.

What are the potential side effects of olive leaf extract?

Olive leaf extract is generally well tolerated. Mild side effects may include headache, dizziness, and gastrointestinal discomfort. It may interact with blood pressure and diabetes medications by enhancing their effects.

Olive Leaf Extract
Olive Leaf Extract

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Aussi connu sous le nom de: Olea europaea, Oleuropein

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About

Olive leaf extract contains oleuropein and hydroxytyrosol, compounds with potent antioxidant activity that modulate immune cell function, support NF-kB regulation and interferon production, and display antimicrobial properties against bacteria, viruses, and fungi.

How It Works

Oleuropein and hydroxytyrosol exhibit potent antioxidant activity and modulate immune cell function; support NF-kB regulation and interferon production; display antimicrobial properties against bacteria, viruses, and fungi.

Evidence For Conditions

Pathologie	Note	Études	Participants
Upper Respiratory Tract Infections	D	3	100	Voir →

Side Effects

Mild gastrointestinal discomfort
Headache (possible Herxheimer reaction)
Dizziness

Drug & Supplement Interactions

Antihypertensive medications (additive blood pressure lowering)
Diabetes medications (may lower blood sugar)
Anticoagulants (theoretical increased bleeding risk)

Informez toujours votre professionnel de santé de tous les compléments alimentaires que vous prenez.Informez toujours votre professionnel de santé de tous les compléments que vous prenez.

Related Ingredients

Astragalus Garlic Pelargonium sidoides Andrographis Elderberry

En bref

Posologie: General: 500-1,000 mg standardized extract/day (15-20% oleuropein)
Formes: capsule liquid extract tea
Sources naturelles: Olive tree leaves
Limite supérieure: No established UL
Meilleur moment: With meals

Synthèse des preuves

Upper Respiratory Tract Infections D

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.