SYS ONLINE
Supplements/Compound

Honokiol

Active magnolia compound.

Buy

Overview

Active magnolia compound.

Natural sources
  • Endogenously produced or biosynthesized molecule
  • Standardized pharmaceutical- or food-grade supplement
  • Combined with cofactors that improve absorption or activity
Common forms
  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Mechanism of action

GABA-A modulator; SIRT3 activator.

Pathways
  • · GABA-A modulator
  • · SIRT3 activator

Effects on the body

Supports
Anxiolytic

Organ system effects

Brain & CNS

Honokiol modulates monoaminergic and GABAergic tone relevant to mood and anxiety regulation.

Evidence-based benefits

Anxiolytic

Moderate evidence

Potential side effects

Common
  • · Drowsiness
Rare
    Serious

      Drug interactions

      Prescription medications (general)
      Always disclose Honokiol use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
      minor

      Safety & non-supplemental interactions

      Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

      Avoid / monitor with these medications
      • ·Alcohol, benzodiazepines, opioids, sedating antihistamines (additive CNS depression)

      Supplement interactions

      Pairs well with
      • Magnesium glycinate
        Complementary GABAergic calming and improved sleep architecture.
      • L-theanine
        Reduces sleep latency without sedation.
      • NAD+ precursor (NMN or NR)
        Complementary mitochondrial and sirtuin support.
      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      250 mg
      Best form
      Most evidence is based on the capsule or softgel form.
      Timing
      Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
      With food?
      With a meal containing fat for fat-soluble compounds; otherwise either.

      Where to buy

      Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

      Scientific evidence8Show studies
      Systematic reviewPlanta Med · 2018

      Honokiol review

      Sarrica A, et al.

      Pharmacological review

      Key findings

      Multiple CNS benefits.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Honokiol — Anxiolytic

      Live PubMed search

      Live results for "Honokiol Anxiolytic" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Honokiol and "Anxiolytic". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Honokiol — randomized controlled trial

      Live PubMed search

      Live results for "Honokiol randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Honokiol and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Honokiol — meta-analysis

      Live PubMed search

      Live results for "Honokiol meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Honokiol and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Honokiol — pharmacokinetics

      Live PubMed search

      Live results for "Honokiol pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Honokiol and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Honokiol — safety adverse events

      Live PubMed search

      Live results for "Honokiol safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Honokiol and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Honokiol — dose response

      Live PubMed search

      Live results for "Honokiol dose response" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Honokiol and "dose response". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: Honokiol — clinical evidence

      Live Scholar search

      Cross-database citation index for Honokiol as it relates to "clinical evidence".

      Key findings

      Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

      Open study
      Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

      Community discussion

      (0 threads)

      Share your experience or read what others have tried. Anecdotes are not medical advice.

      Sign in or create a free account to post or reply.
      Loading discussion…