Sleep

Magnolia Bark Extract

Also known as: Honokiol, Houpu, Magnolia Bark, Magnolia officinalis

Evidence

Traditional bark extract with anxiolytic and sleep-promoting effects. Contains honokiol and magnolol.

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

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Primary uses

Anxiety
Sleep
Relaxation
Cortisol reduction

How it works

GABA-A modulation
5-HT receptor activity
Cortisol reduction

Dosage

Typical range: 200-400 mg daily
Timing: Evening or as needed
With food: Optional
Duration: Safe for moderate use
Special populations: Anxiety, sleep, stress eating

Forms

Standardized extract
Relora

Safety

Common side effects

Drowsiness
Heartburn

Contraindications

Before surgery (blood thinning)

Products containing Magnolia Bark Extract

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

Thorne

Craving and Stress Support

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Evidence notes

Gentle anxiolytic and sleep aid

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.