From the databaseWhat the row says.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
Scope
Supplement × Prescription
Last verified
June 4, 2026
CautionEmerging evidence
What is happening. Ginkgo has seizure case reports and may counter seizure control.
Mechanism. Potential seizure-threshold lowering can oppose antiseizure treatment.
Recommendation. Avoid ginkgo in epilepsy unless specifically approved by the neurologist.
Stack Score
How it moves the number.
Effect on the composite score
If both Ginkgo Biloba and Levetiracetam Extended-Release are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.
SourcesSources, by evidence tier.
Every claim on this page is cited. PMIDs link straight to PubMed.
Reference material
1- 1Lyseng-Williamson KA. Levetiracetam: a review of its use in epilepsy. Drugs. 2011.Needs sourceNo link