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

Buspirone

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

Prescription non-benzodiazepine anxiolytic approved for the treatment of generalized anxiety disorder (GAD). Unlike benzodiazepines, buspirone has no abuse potential, does not cause physical dependence, and does not impair cognition or produce sedation at therapeutic doses. Requires consistent daily dosing for 2–4 weeks to achieve therapeutic benefit, making it unsuitable for acute anxiety relief. Dosage must be determined by your prescribing physician.

Evidence tier
Moderate
Indexed sources
10 1999–2025
Interactions
0
Category
Prescription
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.

Prescription non-benzodiazepine anxiolytic approved for the treatment of generalized anxiety disorder (GAD). NutriStack rates the supporting evidence as moderate. Common adult dosing is 15–60 mg daily in divided doses (as prescribed by your physician), though a prescriber sets the actual dose. This profile indexes 10 sources.

What it's good for
  • Generalized anxiety reduction8,4
  • No abuse or dependence potential
  • No sedation or cognitive impairment2,10
  • No withdrawal syndrome
  • Safe in patients with substance use history4
What to watch for
  • Dizziness
  • Nausea
  • Headache
  • Known hypersensitivity to buspirone1,2
  • Concurrent MAOI use (within 14 days)

The bottom line

Evidence rating moderate. Most-documented uses: generalized anxiety reduction, no abuse or dependence potential, no sedation or cognitive impairment. 10 sources indexed (1999–2025), with 0 interaction records on file.

The science

How it works, mechanistically.

Core mechanism

Acts as a partial agonist at serotonin 5-HT1A receptors, both presynaptically (reducing serotonin firing initially) and postsynaptically. Also has weak dopamine D2 receptor antagonism. Does not interact with GABA-A receptors or benzodiazepine binding sites, explaining the absence of sedation, muscle relaxation, and dependence liability.10

Class
Non-Benzodiazepine Anxiolytic
Dosing

Dosing & protocol.

Common range
15–60 mg daily in divided doses (as prescribed by your physician)
Recommended form
Tablet

Can be taken with or without food, but should be taken consistently (always with food or always without food) to maintain consistent blood levels.4

Safety

Full safety detail.

Side effects

  • Dizziness
  • Nausea
  • Headache
  • Nervousness
  • Lightheadedness
  • Restlessness

Contraindications

  • Known hypersensitivity to buspirone1,2
  • Concurrent MAOI use (within 14 days)
  • Severe hepatic or renal impairment
Sources

Sources, by evidence tier.

Numbered references. Citations throughout the page link here.

Meta-analyses & systematic reviews

4

Randomized controlled trials

3

Reference material

3
FAQ

Common questions.

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

What is Buspirone?

Prescription non-benzodiazepine anxiolytic approved for the treatment of generalized anxiety disorder (GAD). Unlike benzodiazepines, buspirone has no abuse potential, does not cause physical dependence, and does not impair cognition or produce sedation at therapeutic doses. Requires consistent daily dosing for 2–4 weeks to achieve therapeutic benefit, making it unsuitable for acute anxiety relief. Dosage must be determined by your prescribing physician.

What is Buspirone used for?

Commonly cited benefits of Buspirone include: Generalized anxiety reduction; No abuse or dependence potential; No sedation or cognitive impairment; No withdrawal syndrome; Safe in patients with substance use history. NutriStack rates the overall evidence as moderate.

What is a typical dose of Buspirone?

A typical adult dose of Buspirone is 15–60 mg daily in divided doses (as prescribed by your physician). The commonly recommended form is Tablet. These are general ranges, not personalized advice; confirm the right dose with a clinician.

What are the side effects of Buspirone?

Reported side effects include dizziness, nausea, headache, nervousness, lightheadedness, restlessness. This is educational information; check with a healthcare professional before use.

How strong is the evidence for Buspirone?

NutriStack rates this as Moderate, meaning several aligned RCTs or one large RCT plus supporting reviews. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.

Use this with your stack

Buspirone 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.