Bilobalide is a sesquiterpene lactone naturally found in Ginkgo biloba leaves. It is considered one of the key active constituents in many Ginkgo supplements.

What are the potential benefits of bilobalide?

Bilobalide is studied for neuroprotective effects, antioxidant support, and modulation of neuroinflammatory signaling. Evidence varies by condition and product formulation.

What is a typical bilobalide dosage?

Common supplemental amounts are often in the range of about 40–120 mg per day, depending on the extract and product. Follow the label and consult a clinician for personalized guidance.

Is bilobalide safe and are there interactions?

Safety depends on dose, individual factors, and whether it is taken as part of Ginkgo biloba extracts. Ginkgo products may interact with blood thinners and affect bleeding risk, so check with a healthcare professional.

Is bilobalide the same as Ginkgo biloba extract?

No. Bilobalide is one compound within Ginkgo biloba, while Ginkgo extract contains multiple constituents such as terpene lactones and flavonoids.

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Bilobalide

Moderate study situation·7/10

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

Bilobalide is a neuroprotective, antioxidant compound from Ginkgo biloba, studied for supporting brain health and reducing inflammation.

Anti-inflammatory Cognitive Enhancement Antioxidant Neuroprotective

dose range

40–120 mg

Divided into 2–3 doses with meals, as part of Ginkgo biloba extract.

Consumption

Take with food to reduce potential gastrointestinal discomfort and enhance absorption.

Fat-soluble: take with fat.

Best time

Most studies use bilobalide within standardized Ginkgo biloba extracts, rather than isolated form; dosing mirrors typical Ginkgo supplementation for cognitive support.

Description

Bilobalide is a sesquiterpene lactone found in the leaves of the Ginkgo biloba tree and is a primary active constituent in Ginkgo supplements, noted for its roles in brain health, antioxidant defense, and inflammation control.

benefits

Main effects with level of evidence

Moderate

Note on evidence

Most evidence is preclinical or based on studies with standardized Ginkgo extracts containing bilobalide; isolated bilobalide research in humans is limited.

Neuroprotection

Moderate

Bilobalide helps protect neurons from damage caused by ischemia and excitotoxicity, potentially supporting resilience against brain injury and neurodegenerative disease.

Particularly relevant for: Older adults · Individuals at risk for neurodegeneration · People seeking brain health support

S1 · PubMed: Protective effect of bilobalide against ischemia-induced neuronal death S6 · Frontiers in Pharmacology: Bilobalide as a neuroprotective agent

Antioxidant support

Moderate

Acts as an antioxidant by scavenging free radicals, reducing oxidative stress, and possibly modulating mitochondrial dysfunction in neural cells.

Particularly relevant for: Adults seeking cognitive support · People exposed to oxidative stress

S2 · PubMed: Antioxidant properties of bilobalide in neural cell lines S4 · Examine.com: Ginkgo biloba main compounds and bioactivities

Anti-inflammatory effects

Limited

Inhibits neuroinflammatory signaling (e.g., NF-κB pathway) and reduces activation of microglia, which may help in controlling neuroinflammation.

Particularly relevant for: Individuals with neuroinflammatory disorders · General population aiming to reduce inflammation

S3 · PubMed: Anti-inflammatory potential of bilobalide in microglial cells

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Bilobalide is generally well-tolerated at typical doses as part of Ginkgo extract but carries bleeding risk and drug interaction potential.

warning notices

Headache and mild gastrointestinal upset may occur.
Risk of serious bleeding increases with anticoagulant or antiplatelet drugs.
Use caution in patients with epilepsy or on CNS-active medications due to potential drug interactions.
Avoid use during pregnancy and breastfeeding due to insufficient safety data.
Avoid use with anticoagulant or antiplatelet medications due to increased risk of bleeding.
Do not use if you have a bleeding disorder or active bleeding.
Monitor for adverse effects if taking medications with narrow therapeutic index metabolized by CYP enzymes.

Known interactions with medications

Anticoagulants
Antiplatelet drugs
CNS-active medications

Contraindications / special precautions

Pregnancy and breastfeeding
Bleeding disorders
Concurrent anticoagulant or antiplatelet use

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Bilobalide may interact with medications that affect coagulation, drug metabolism, and other components of Ginkgo biloba.

Increased bleeding risk with anticoagulants or antiplatelet drugs.

drug · Anticoagulants (e.g., warfarin, aspirin, clopidogrel)

AvoidModerate

Why

Bilobalide, via Ginkgo extracts, has been associated with antiplatelet effects, increasing bleeding risk when combined with these drugs.

recommendation

Avoid combination or use only under strict clinical supervision.

S5 · NIH ODS: Ginkgo Biloba Fact Sheet

May alter blood levels of certain medications metabolized by liver enzymes.

drug · CYP-metabolized drugs (e.g., antiepileptics, antidepressants)

CautionLimited

Why

Bilobalide and Ginkgo extract components can interact with cytochrome P450 enzymes, potentially lowering or raising levels of some drugs.

recommendation

Monitor for altered effects or side effects if using these medications with bilobalide-containing supplements.

S5 · NIH ODS: Ginkgo Biloba Fact Sheet

mechanisms of action

Brief explanations of how it works

Neuroprotection via anti-excitotoxic and anti-apoptotic effects

Bilobalide protects neural cells from excitotoxic injury and apoptosis, especially in contexts like cerebral ischemia.

S1 · PubMed: Protective effect of bilobalide against ischemia-induced neuronal death S6 · Frontiers in Pharmacology: Bilobalide as a neuroprotective agent

Free radical scavenging and mitochondrial support

Acts as an antioxidant to reduce oxidative damage and modulates mitochondrial function, limiting cell injury from oxidative stress.

S2 · PubMed: Antioxidant properties of bilobalide in neural cell lines S4 · Examine.com: Ginkgo biloba main compounds and bioactivities

Suppression of neuroinflammatory pathways

Reduces microglial activation and inhibits inflammatory pathways such as NF-κB in the CNS.

S3 · PubMed: Anti-inflammatory potential of bilobalide in microglial cells

Sources & References

Primary literature and reviews on which these statements are based

6 sources

PubMed: Protective effect of bilobalide against ischemia-induced neuronal death

PubMed: Antioxidant properties of bilobalide in neural cell lines

PubMed: Anti-inflammatory potential of bilobalide in microglial cells

Examine.com: Ginkgo biloba main compounds and bioactivities

Review of constituents including bilobalide.

NIH ODS: Ginkgo Biloba Fact Sheet

General Ginkgo biloba overview.

Frontiers in Pharmacology: Bilobalide as a neuroprotective agent

Laatst bijgewerkt: 8 februari 2026

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