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Honokiol

Also known as: Magnolia bark extract (isolated)

B
Evidence

Isolated magnolia bark compound with potent GABA-A effects. More specific than whole bark.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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The highest-scored Honokiol product in our catalog (88/100). Track dose and overlaps in the app.
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Every Honokiol product we have scored

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much Honokiol should I take?

The typical range is 50-200mg. Safe for regular use

When should I take Honokiol?

Evening or as needed. Either.

Which form of Honokiol is best?

Capsule — Isolated compound.

Is Honokiol safe?

Commonly reported: Drowsiness, Mild sedation. Serious warnings: Potent - start low. No concerns

Which Honokiol supplement scores highest?

BulkSupplements Magnolia Extract Powder, at 88/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

  • Anxiety relief
  • Sleep support
  • Neuroprotection

How it works

  • Potent GABA-A positive modulator
  • Brain antioxidant
  • Anti-inflammatory

Dosage

Typical range
50-200mg
Timing
Evening or as needed
With food
Either
Duration
Safe for regular use
Special populations
Anxiety, sleep

Forms

  • Capsule

Safety

Common side effects

  • Drowsiness
  • Mild sedation

Contraindications

  • Pregnancy

Products containing Honokiol

Top-scoring supplements in our catalog that list Honokiol on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Integrative Therapeutics
Pro-Som
80
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Evidence notes

Active compound from magnolia bark

Grade B: Some human trials support key claims; further confirmation needed.

Related in Sleep

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.