ModerateCaution
Ginkgo Biloba
Ginkgo has seizure case reports and may counter seizure control.
Recommendation: Avoid ginkgo in epilepsy unless specifically approved by the neurologist.
Levetiracetam Extended-Release
Prescription ·Strong evidence ·Reviewed May 2026
Levetiracetam extended-release is an antiseizure medication used once daily for focal-onset seizures and other seizure types depending on labeling and clinician judgment. It has minimal hepatic metabolism and few pharmacokinetic interactions, but behavioral adverse effects such as irritability, depression, aggression, or suicidality can be clinically important. Dosing must be adjusted for kidney function.
The bottom line
Evidence rating strong. Most-documented uses: adjunctive treatment of focal-onset seizures, once-daily adherence support compared with immediate-release dosing, low pharmacokinetic interaction burden. 3 sources indexed (2011–2025), with 4 interaction records on file.
The science
How it works, mechanistically.
Core mechanism
Levetiracetam binds synaptic vesicle protein 2A, modulating neurotransmitter release and reducing neuronal hypersynchrony involved in seizure propagation. It does not meaningfully induce or inhibit cytochrome P450 enzymes. Renal elimination is the major clearance pathway, so reduced kidney function increases exposure.2,3
Class
Anticonvulsant SV2A modulator
Dosing
Dosing & protocol.
Common range
Initiate 1000 mg once daily; increase by 1000 mg every 2 weeks as needed to a maximum recommended dose of 3000 mg once daily, with renal dose adjustment.
Recommended form
Extended-release oral tablet swallowed whole once daily
May be taken with or without food. Extended-release tablets should be swallowed whole and not crushed, chewed, or split.3
Safety
Full safety detail.
Side effects
- Somnolence
- Asthenia or fatigue
- Dizziness
- Irritability
- Depression
- Aggression or behavioral changes
- Suicidal thoughts or behavior warning for antiepileptic drugs
- Coordination difficulties
- Rare serious dermatologic or hypersensitivity reactions
Interactions
Interaction records.
ModerateCaution
Melatonin
Melatonin can add to levetiracetam-related somnolence or dizziness.
Recommendation: Use cautiously and monitor next-day alertness.
ModerateCaution
L-Theanine
L-Theanine may have calming effects and could add to levetiracetam-related fatigue or dizziness.
Recommendation: Use cautiously during dose changes and avoid hazardous activities if impaired.
ModerateCaution
Ashwagandha
Ashwagandha can be sedating for some patients and may compound levetiracetam CNS effects.
Recommendation: Use cautiously and monitor for sedation, mood changes, or irritability.
Search all 4 interaction records for Levetiracetam Extended-Release →
Sources
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Reviews & position papers
2- 1Antiepileptic drugs and suicidality: an expert consensus statementNeeds reviewNo linkMula M et al. · Epilepsia · 2013
Consensus review supports monitoring for mood and behavior changes during antiseizure therapy.
- 2Levetiracetam: a review of its use in epilepsyNeeds reviewNo linkLyseng-Williamson KA · Drugs · 2011
Review describes SV2A mechanism, broad antiseizure use, and limited drug-metabolism interactions.
Reference material
1- 3LEVETIRACETAM EXTENDED-RELEASE tablets, US Prescribing InformationNeeds reviewURLU.S. National Library of Medicine · DailyMed · 2025
Labeling specifies 1000 mg once-daily initiation, titration to 3000 mg/day, renal adjustment, behavioral warnings, and hypersensitivity contraindication.
Keep exploring
Deep dives & adjacent profiles.
This page is educational. Do not start, stop, or change a supplement or medication based on it without checking with a qualified healthcare professional.
Use this with your stack
Levetiracetam Extended-Release in NutriStack.
Add it to your stack, see how it interacts with everything else you take, and get a Stack Score that updates the moment it does.