NSTK · 01.2026Independent supplement reference
NutriStack
Edition 1.0Updated July 13, 2026

Topiramate

Prescription ·Exploratory record · not publication-reviewed ·Updated July 13, 2026

Topiramate is a broad-spectrum antiepileptic approved for partial-onset and primary generalized tonic-clonic seizures, Lennox-Gastaut syndrome, and migraine prophylaxis. It is also used off-label for weight management (a component of Qsymia), essential tremor, and binge eating disorder.

Evidence tier
Strong
Indexed sources
10 2010–2023
Interactions
0
Depletes
1 nutrient
Read the sources → Compare profiles
Publication status

Exploratory record, not a reviewed medical publication.

See the editorial and medical-review policies for the publication gate.

This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.

In short

What the research says.

A quick, data-only summary. The full evidence, dosing, and sources are below.

Topiramate is a broad-spectrum antiepileptic approved for partial-onset and primary generalized tonic-clonic seizures, Lennox-Gastaut syndrome, and migraine prophylaxis. NutriStack rates the supporting evidence as strong. Common adult dosing is 25-50 mg/day initially, titrated to 200-400 mg/day in divided doses for epilepsy; 50-100 mg/day for migraine prophylaxis (as prescribed by your physician), though a prescriber sets the actual dose. With long-term use it can deplete calcium. This profile indexes 10 sources.

What it's good for
  • Broad-spectrum seizure control1,8
  • Migraine prevention8,10
  • Weight-neutral to weight-loss promoting
  • Effective as monotherapy or adjunctive therapy2,9
What to watch for
  • Cognitive dysfunction (word-finding difficulty, impaired concentration)
  • Paresthesias (tingling in extremities)
  • Weight loss and decreased appetite
  • Known hypersensitivity to topiramate1,2
  • Concurrent use with alcohol (increased CNS depression and metabolic acidosis risk)2,5

The bottom line

Evidence rating strong. Most-documented uses: broad-spectrum seizure control, migraine prevention, weight-neutral to weight-loss promoting. 10 sources indexed (2010–2023), with 0 interaction records on file.

The science

How it works, mechanistically.

Core mechanism

Exerts anticonvulsant effects through multiple mechanisms: blocks voltage-gated sodium channels, enhances GABA-A receptor activity, antagonizes AMPA/kainate glutamate receptors, and weakly inhibits carbonic anhydrase (isoenzymes II and IV). This multifaceted action reduces neuronal excitability and seizure propagation.

Class
Antiepileptic
Dosing

Dosing & protocol.

Common range
25-50 mg/day initially, titrated to 200-400 mg/day in divided doses for epilepsy; 50-100 mg/day for migraine prophylaxis (as prescribed by your physician)
Recommended form
Oral tablets or sprinkle capsules

Rapidly absorbed; bioavailability ~80% and not significantly affected by food. Swallow tablets whole; sprinkle capsules can be opened onto soft food.

Depletions

What it depletes.

Nutrients this medication can lower over time, and what to replace.

Calcium

Mild

Topiramate therapy has been associated with changes in bone and mineral metabolism, including lower calcium status markers in some patients.

Replace CalciumMonitor Serum calcium + 25-OH vitamin D + bone density trendOnset Usually over months of chronic therapy

Full Topiramate depletion and interaction guide →

Safety

Full safety detail.

Side effects

  • Cognitive dysfunction (word-finding difficulty, impaired concentration)
  • Paresthesias (tingling in extremities)
  • Weight loss and decreased appetite
  • Kidney stones (calcium phosphate)
  • Metabolic acidosis
  • Fatigue and somnolence
  • Acute myopia and secondary angle-closure glaucoma (rare)

Contraindications

  • Known hypersensitivity to topiramate1,2
  • Concurrent use with alcohol (increased CNS depression and metabolic acidosis risk)2,5
  • Metabolic acidosis with concurrent metformin use
  • Pregnancy (FDA category D; associated with cleft lip/palate)4
Sources

Sources, by evidence tier.

Numbered references. Citations throughout the page link here.

Meta-analyses & systematic reviews

5

Reviews & position papers

2

Reference material

3
FAQ

Common questions.

Quick answers about Topiramate, drawn from the data on this page.

What is Topiramate?

Topiramate is a broad-spectrum antiepileptic approved for partial-onset and primary generalized tonic-clonic seizures, Lennox-Gastaut syndrome, and migraine prophylaxis. It is also used off-label for weight management (a component of Qsymia), essential tremor, and binge eating disorder.

What is Topiramate used for?

Commonly cited benefits of Topiramate include: Broad-spectrum seizure control; Migraine prevention; Weight-neutral to weight-loss promoting; Effective as monotherapy or adjunctive therapy. NutriStack rates the overall evidence as strong.

What is a typical dose of Topiramate?

A typical adult dose of Topiramate is 25-50 mg/day initially, titrated to 200-400 mg/day in divided doses for epilepsy; 50-100 mg/day for migraine prophylaxis (as prescribed by your physician). The commonly recommended form is Oral tablets or sprinkle capsules. These are general ranges, not personalized advice; confirm the right dose with a clinician.

What are the side effects of Topiramate?

Reported side effects include cognitive dysfunction (word-finding difficulty, impaired concentration), paresthesias (tingling in extremities), weight loss and decreased appetite, kidney stones (calcium phosphate), metabolic acidosis, fatigue and somnolence. This is educational information; check with a healthcare professional before use.

How strong is the evidence for Topiramate?

NutriStack rates this as Strong, meaning multiple high-quality meta-analyses or systematic reviews converge on the same finding. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.

Use this with your stack

Topiramate 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.

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NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.